Women in science
|Women in society|
Women have made significant contributions to science from the earliest times. Historians with an interest in gender and science have illuminated the scientific endeavors and accomplishments of women, the barriers they have faced, and the strategies implemented to have their work peer-reviewed and accepted in major scientific journals and other publications. The historical, critical and sociological study of these issues has become an academic discipline in its own right.
- 1 History
- 1.1 Ancient history
- 1.2 Medieval Europe
- 1.3 Scientific Revolution (16th, 17th centuries)
- 1.4 18th century
- 1.5 Early 19th century
- 1.6 Late 19th century in Europe
- 1.7 Late 19th century in the United States
- 1.8 Early 20th century
- 1.9 Later 20th century
- 2 Nobel laureates
- 3 Statistics
- 4 Social, historical, and critical studies
- 5 Efforts to increase representation
- 6 Recent controversies
- 7 See also
- 8 References
- 9 Further reading
- 10 External links
The involvement of women in the field of medicine has been recorded in several early civilizations. An ancient Egyptian, Merit-Ptah (c. 2700 BCE), described in an inscription as "chief physician", is the earliest known female scientist named in the history of science. Agamede was cited by Homer as a healer in ancient Greece before the Trojan War (c. 1194–1184 BCE). Agnodike was the first female physician to practice legally in 4th century BCE Athens.
The study of natural philosophy in ancient Greece was open to women. Recorded examples include Aglaonike, who predicted eclipses; and Theano, mathematician and physician, who was a pupil (possibly also wife) of Pythagoras, and one of a school in Crotone founded by Pythagoras, which included many other women.
Several women are recorded as contributing to the proto-science of alchemy in Alexandria around the 1st or 2nd centuries AD, where the gnostic tradition led to female contributions being valued. The best known, Mary the Jewess, is credited with inventing several chemical instruments, including the double boiler (bain-marie) and a type of still.
Hypatia of Alexandria (c. 350–415 AD) was the daughter of Theon, scholar and director of the Library of Alexandria. She wrote texts on geometry, algebra and astronomy, and is credited with various inventions including a hydrometer, an astrolabe, and an instrument for distilling water.
The first part of the European Middle Ages was marked by the process which brought the end of the Roman Empire. The Latin West was left with great difficulties that affected the continent's intellectual production dramatically. Although nature was still seen as a system that could be comprehended in the light of reason, there was little innovative scientific inquiry. However, the centuries after the year 1000 saw prosperity and rapidly increasing population, which brought about many changes and sparked scientific production.
During the period, convents were an important place of education for women, and some of these communities provided opportunities for women to contribute to scholarly research. An example is the German abbess Hildegard of Bingen, whose prolific writings include treatments of various scientific subjects, including medicine, botany and natural history (c.1151–58).
The 11th century saw the emergence of the first universities. Women were, for the most part, excluded from university education. However, there were some exceptions. The Italian University of Bologna, for example, allowed women to attend lectures from its inception, in 1088.
The attitude to educating women in medical fields in Italy appears to have been more liberal than in other places. The physician, Trotula di Ruggiero, is supposed to have held a chair at the Medical School of Salerno in the 11th century, where she taught many noble Italian women, a group sometimes referred to as the "ladies of Salerno". Several influential texts on women's medicine, dealing with obstetrics and gynecology, among other topics, are also often attributed to Trotula.
Dorotea Bucca was another distinguished Italian physician. She held a chair of philosophy and medicine at the University of Bologna for over forty years from 1390. Other Italian women whose contributions in medicine have been recorded include Abella, Jacobina Félicie, Alessandra Giliani, Rebecca de Guarna, Margarita, Mercuriade (14th century), Constance Calenda, Calrice di Durisio (15th century), Constanza, Maria Incarnata and Thomasia de Mattio.
Despite the success of some women, cultural biases affecting their education and participation in science were prominent in the Middle Ages. For example, St. Thomas Aquinas, a Christian scholar, wrote, referring to women, "She is mentally incapable of holding a position of authority."
Scientific Revolution (16th, 17th centuries)
Margaret Cavendish, a 17th-century aristocratic woman, took part in some of the most important scientific debates of that time. She was however, not inducted into the English Royal Society, although she was once allowed to attend a meeting. She wrote a number of works on scientific matters, including Observations upon Experimental Philosophy and Grounds of Natural Philosophy. In these works she was especially critical of the growing belief that humans, through science, were the masters of nature. As an aristocrat, the Duchess of Newcastle was a good example of the women in France and England who worked in science.
Women who wanted to work in science lived in Germany, but came from a different background. There, the tradition of female participation in craft production enabled some women to become involved in observational science, especially astronomy. Between 1650 and 1710, women made up 14% of all German astronomers. The most famous of the female astronomers in Germany was Maria Winkelmann. She was educated by her father and uncle and received training in astronomy from a nearby self-taught astronomer. Her chance to be a practicing astronomer came when she married Gottfried Kirch, Prussia's foremost astronomer. She became his assistant at the astronomical observatory operated in Berlin by the Academy of Science. She made some original contributions, including the discovery of a comet. When her husband died, Winkelmann applied for a position as assistant astronomer at Berlin Academy, for which she was highly qualified. As a woman – with no university degree – she was denied the post. Members of the Berlin Academy feared that they would establish a bad example by hiring a woman. "Mouths would gape", they said.
Winkelmann's problems with Berlin Academy reflect the obstacles women faced in being accepted in scientific work, which was considered to be chiefly for men. No woman was invited to either the Royal Society of London nor the French Academy of Sciences until the 20th century. Most people in the 17th century viewed a life devoted to any kind of scholarship as being at odds with the domestic duties women were expected to perform.
In another area, Maria Sybilla Merian, born in 1647 in Frankfort, was a botanist and entomologist who was known for her artistic illustrations of plants and insects. Uncommon for that era, she traveled to South America and Surinam, where, assisted by her daughters, she illustrated the plant and animal life of those regions.
Overall, the Scientific Revolution did little to change people's ideas about the nature of women. According to Jackson Spielvogel, 'Male scientists used the new science to spread the view that women were by nature inferior and subordinate to men and suited to play a domestic role as nurturing mothers. The widespread distribution of books ensured the continuation of these ideas' .
The 18th century was characterized by three divergent views towards woman: that women were mentally and socially inferior to men, that they were equal but different, and that women were potentially equal in both mental ability and contribution to society. While individuals such as Jean-Jacques Rousseau believed women's roles were confined to motherhood and service to their male partners, the Enlightenment was a period in which women experienced expanded roles in the sciences. The rise of salon culture in Europe brought philosophers and their conversation to an intimate setting where men and women met to discuss contemporary political, social, and scientific topics. While Jean-Jacques Rousseau attacked female-dominated salons as producing ‘effeminate men’ that stifled serious discourse, salons were characterized in the 18th century by the mixing of the sexes. Through salons and their work in mathematics, physics, botany, and philosophy, women began to have a significant impact during the Enlightenment. Women were not entirely excluded from being officially acknowledged by the scientific world.
In 1748, Eva Ekeblad became the first woman inducted into the Royal Swedish Academy of Science, after Charlotta Frölich, her country's first female historian, became the first woman to be published by that academy in 1741.
A founder of modern botany and zoology, Maria Sibylla Merian (1624–1674), spent her life investigating nature. When she was thirteen, Sibylla began growing caterpillars and studying their metamorphosis into butterflies. Even though she did not have a diary, she kept a "Study Book" which recorded her investigations into natural philosophy. In her first publication, The New Book of Flowers, she used imagery to catalogue the lives of plants and insects. After her husband died, and her brief stint of living in Wiewert, she and her daughter journeyed to Paramaribo for two years to observe insects, birds, reptiles, and amphibians. She then returned to Amsterdam and she published The Metamorphosis of the Insects of Suriname, which "revealed to Europeans for the first time the astonishing diversity of the rain forest."
As many experiments took place in the home, women were well located to assist their husbands and family members with experiments. Among the best known of these scientific wives was Marie-Anne Pierrette Paulze, who married Antoine Lavoisier at thirteen and became his assistant in his home laboratory, in which he discovered oxygen. Mme. Lavoisier spoke English, and translated not only her husband's correspondence with English chemists, but also the entirety of Richard Kirwan's "Essay on Phlogiston," a key text in the controversy with English chemists such as Joseph Priestley over the nature of heat in chemical reactions. Mme Lavoisier also took drawing lessons from Jacques-Louis David and drew the diagrams for her husband's "Traite Elementaire de Chimie" (1789). Mme. Lavoisier maintained a small but lively salon and corresponded with French scientists and naturalists, many of whom were impressed by her intellect.
Although women excelled in many scientific areas during the 18th century, they were discouraged from learning about plant reproduction. Carl Linnaeus' system of plant classification based on sexual characteristics drew attention to botanical licentiousness, and people feared that women would learn immoral lessons from nature's example. Women were often depicted as both innately emotional and incapable of objective reasoning, or as natural mothers reproducing a natural, moral society.
Even with such characterizations, author Lady Mary Wortley Montagu, known for her prolific letter writing, pioneered smallpox inoculation in England. She first observed the inoculations while visiting the Ottoman Empire, where she wrote detailed accounts of the practice in her letters .
The scientific observations of two Englishwomen, Caroline Herschel and Margaret Cavendish, added to the scientific knowledge of the time. Herschel, a great astronomer, who was born in Hanover but moved to England where she acted as an assistant to her brother, William Herschel. There she learned mathematics. She received a small salary from King George III (agnesscott.edu) and was the first woman to be recognized for a scientific position. She discovered eight comets between 1786 and 1797, and submitted an Index to Flamsteed's Observations of the Fixed Stars (including over five hundred omitted stars) to the Royal Society in 1798, becoming the first woman to present a paper there. In 1835, she and Mary Fairfax Somerville were the first two women to be awarded honorary memberships in the Royal Astronomical Society (source).
Margaret Cavendish, the first Englishwoman to write extensively about nature science and philosophy, published Observations upon Experimental Philosophy (1666), which attempted to heighten female interest in science. The observations provided a critique of the experimental science of Bacon and criticized microscopes as imperfect machines.
Although gender roles were largely defined in the 18th century, women experienced great advances in science. Whether it was through Emilie du Châtelet in translating Newton's Principia or Caroline Herschel discovering eight comets, women made great strides toward gender equality in the sciences.
Early 19th century
Science remained a largely amateur profession during the early part of the 19th century. Women's contributions were limited by their exclusion from most formal scientific education, but began to be recognized by admittance into learned societies during this period.
Scottish scientist Mary Fairfax Somerville carried out experiments in magnetism, presenting a paper entitled 'The Magnetic Properties of the Violet Rays of the Solar Spectrum' to the Royal Society in 1826, only the second woman to do so. She also authored several mathematical, astronomical, physical and geographical texts, and was a strong advocate for women's education. In 1835, she and Caroline Herschel were the first two women to be elected to the Royal Astronomical Society.
English mathematician Ada, Lady Lovelace, a pupil of Somerville, corresponded with Charles Babbage about applications for his analytical engine. In her notes (1842–3) appended to her translation of Luigi Menebrea's article on the engine, she foresaw wide applications for it as a general-purpose computer, including composing music. She has been credited as writing the first computer program, though this has been disputed.
In Germany, the Deaconess Institute at Kaiserswerth was established in 1836 to instruct women in nursing. Elizabeth Fry visited the institute in 1840 and was inspired to found the London Institute of Nursing, and Florence Nightingale also studied there in 1851.
In the US, Maria Mitchell made her name by discovering a comet in 1847, but also contributed calculations to the Nautical Almanac produced by the United States Naval Observatory. She became the first woman member of the American Academy of Arts and Sciences in 1848 and of the American Association for the Advancement of Science in 1850.
Other notable female scientists during this period include:
- in Britain, Mary Anning (paleontologist), Anna Atkins (botanist), Janet Taylor (astronomer);
- in France, Marie-Sophie Germain (mathematician), Jeanne Villepreux-Power (marine biologist).
Late 19th century in Europe
The latter part of the 19th century saw a rise in educational opportunities for women. Schools aiming to provide education for girls similar to that afforded to boys were founded in the UK, including the North London Collegiate School (1850), Cheltenham Ladies' College (1853) and the Girls' Public Day School Trust schools (from 1872). The first UK women's university college, Girton, was founded in 1869, and others soon followed: Newnham (1871) and Somerville (1879).
The Crimean War (1854–6) contributed to establishing nursing as a profession, making Florence Nightingale a household name. A public subscription allowed Nightingale to establish a school of nursing in London in 1860, and schools following her principles were established throughout the UK. Nightingale was also a pioneer in public health and a statistician.
Elizabeth Garrett Anderson became the first British woman to gain a medical qualification in 1865. With Sophia Jex-Blake, American Elizabeth Blackwell and others, Garret Anderson founded the first UK medical school to train women, the London School of Medicine for Women, in 1874.
Annie Scott Dill Maunder was a pioneer in astronomical photography, especially of sunspots. A mathematics graduate of Girton College, Cambridge, she was first hired (in 1890) to be an assistant to Edward Walter Maunder, discoverer of the Maunder Minimum, the head of the solar department at Greenwich Observatory. They worked together to observe sunspots and to refine the techniques of solar photography. They married in 1895. Annie's mathematical skills made it possible to analyze the years of sunspot data that Maunder had been collecting at Greenwich. She also designed a small, portable wide-angle camera with a 1.5-inch-diameter (38 mm) lens. In 1898, the Maunders traveled to India, where Annie took the first photographs of the sun's corona during a solar eclipse. By analyzing the Cambridge records for both sunspots and geomagnetic storm, they were able to show that specific regions of the sun's surface were the source of geomagnetic storms and that the sun did not radiate its energy uniformly into space, as William Thomson, 1st Baron Kelvin had declared.
- in Britain, Hertha Marks Ayrton (mathematician, engineer), Margaret Huggins (astronomer), Beatrix Potter (mycologist);
- in France, Dorothea Klumpke-Roberts (American-born astronomer);
- in Germany, Amalie Dietrich (naturalist), Agnes Pockels (physicist);
- in Russia, Sofia Kovalevskaya (mathematician).
Late 19th century in the United States
In the later 19th century the rise of the women's college provided jobs for women scientists, and opportunities for education. Women's colleges produced a disproportionate number of women who went on for PhDs in science. Many coeducational colleges and universities also opened or started to admit women during this period; such institutions included only just over 3000 women in 1875, but by 1900 accounted for almost 20,000.
An example is Elizabeth Blackwell, who became the first certified female doctor in the US when she graduated from Geneva Medical College in 1849. With her sister, Emily Blackwell, and Marie Zakrzewska, Blackwell founded the New York Infirmary for Women and Children in 1857 and the first Women's Medical College in 1868, providing both training and clinical experience for women doctors. She also published several books on medical education for women.
Early 20th century
Europe before World War II
Marie Skłodowska-Curie, the first woman to win a Nobel prize in 1903 (physics), went on to become a double Nobel prize winner in 1911 (chemistry), both for her work on radiation. She was the first person to win two Nobel prizes, a feat accomplished by only three others since then. She remains the only person to have won two Nobel prizes in different fields(chemistry and physics).
Lise Meitner played a major role in the discovery of nuclear fission. As head of the physics section at the Kaiser Wilhelm Institute in Berlin she collaborated closely with the head of chemistry Otto Hahn on atomic physics until forced to flee Berlin in 1938. In 1939, in collaboration with her nephew Otto Frisch, Meitner derived the theoretical explanation for an experiment performed by Hahn and Fritz Strassman in Berlin, thereby demonstrating the occurrence of nuclear fission. The possibility that Fermi's bombardment of uranium with neutrons in 1934 had instead produced fission by breaking up the nucleus into lighter elements, had actually first been raised in print in 1934, by chemist Ida Noddack (co-discover of the element rhenium), but this suggestion had been ignored at the time, as no group made a concerted effort to find any of these light radioactive fission products.
Emmy Noether revolutionized abstract algebra, filled in gaps in relativity, and was responsible for a critical theorem about conserved quantities in physics. One notes that the Erlangen program attempted to identify invariants under a group of transformations. On 16 July 1918, before a scientific organization in Göttingen, Felix Klein read a paper written by Emmy Noether, because she was not allowed to present the paper before the scientific organization herself. In particular, in what is referred to in physics as Noether's theorem, this paper identified the conditions under which the Poincaré group of transformations (what is now called a gauge group) for general relativity defines conservation laws. Noether's papers made the requirements for the conservation laws precise. Moreover, among mathematicians Noether is best known for her fundamental contributions to abstract algebra, where the adjective noetherian is nowadays commonly used on many sorts of objects.
Mary Cartwright was a British mathematician who was the first to analyze a dynamical system with chaos.
Women such as Margaret Fountaine continued to contribute detailed observations and illustrations in botany, entomology, and related observational fields.
United States before World War II
Women moved into science in significant numbers by 1900, helped by the women's colleges and by opportunities at some of the new universities. Margaret Rossiter's books Women Scientists in America: Struggles and Strategies to 1940 and Women Scientists in America: Before Affirmative Action 1940 – 1972 provide an overview of this period, stressing the opportunities women found in separate women's work in science.
In 1892, Ellen Swallow Richards called for the "christening of a new science" – "oekology" (ecology) in a Boston lecture. This new science included the study of "consumer nutrition" and environmental education. This interdisciplinary branch of science was later specialized into what is currently known as ecology, while the consumer nutrition focus split off and was eventually relabeled as home economics., which provided another avenue for women to study science. Richards helped to form the American Home Economics Association, which published a journal, the Journal of Home Economics, and hosted conferences. Home economics departments were formed at many colleges, especially at land grant institutions. In her work at MIT, Ellen Richards also introduced the first biology course in its history as well as the focus area of sanitary engineering.
Women also found opportunities in botany and embryology. In psychology, women earned doctorates but were encouraged to specialize in educational and child psychology and to take jobs in clinical settings, such as hospitals and social welfare agencies.
In 1901, Annie Jump Cannon first noticed that it was a star's temperature that was the principal distinguishing feature among different spectra. This led to re-ordering of the ABC types by temperature instead of hydrogen absorption-line strength. Due to Cannon's work, most of the then-existing classes of stars were thrown out as redundant. Afterward, astronomy was left with the seven primary classes recognized today, in order: O, B, A, F, G, K, M; that has since been extended.
Henrietta Swan Leavitt first published her study of variable stars in 1908. This discovery became known as the "period-luminosity relationship" of Cepheid variables. Our picture of the universe was changed forever, largely because of Leavitt's discovery. The accomplishments of Edwin Hubble, renowned American astronomer, were made possible by Leavitt's groundbreaking research and Leavitt's Law. "If Henrietta Leavitt had provided the key to determine the size of the cosmos, then it was Edwin Powell Hubble who inserted it in the lock and provided the observations that allowed it to be turned", wrote David H. and Matthew D.H. Clark in their book Measuring the Cosmos. To his credit, Hubble himself often said that Leavitt deserved the Nobel for her work. Gösta Mittag-Leffler of the Swedish Academy of Sciences had begun paperwork on her nomination in 1924, only to learn that she had died of cancer three years earlier (the Nobel prize cannot be awarded posthumously).
In 1925, Harvard graduate student Cecilia Payne-Gaposchkin demonstrated for the first time from existing evidence on the spectra of stars that stars were made up almost exclusively of hydrogen and helium, one of the most fundamental theories in stellar astrophysics.
Canadian born Maud Menten worked in the U.S. and Germany. Her most famous work was on enzyme kinetics together with Leonor Michaelis, based on earlier findings of Victor Henri. This resulted in the Michaelis–Menten equations. Menten also invented the azo-dye coupling reaction for alkaline phosphatase, which is still used in histochemistry. She characterised bacterial toxins from B. paratyphosus, Streptococcus scarlatina and Salmonella ssp., and conducted the first electrophoretic separation of proteins in 1944. She worked on the properties of hemoglobin, regulation of blood sugar level, and kidney function.
World War II brought some new opportunities. The Office of Scientific Research and Development, under Vannevar Bush, began in 1941 to keep a registry of men and women trained in the sciences. Because there was a shortage of male workers, some women were able to work in jobs they might not otherwise have accessed. Many women worked on the Manhattan Project or on scientific projects for the United States military services. Women who worked on the Manhattan Project included Leona Woods Marshall, Katharine Way, and Chien-Shiung Wu.
Women in other disciplines looked for ways to apply their expertise to the war effort. Three nutritionists, Lydia J. Roberts, Hazel K. Stiebeling, and Helen S. Mitchell, developed the Recommended Dietary Allowance in 1941 to help military and civilian groups make plans for group feedings situations. The RDAs proved necessary, especially, once foods began to be rationed.
Rachel Carson worked for the United States Bureau of Fisheries, writing brochures to encourage Americans to consume a wider variety of fish and seafood. She also contributed to research to assist the Navy in developing techniques and equipment for submarine detection.
In the social sciences, several women contributed to the Japanese Evacuation and Resettlement Study, based at the University of California. This study was led by sociologist Dorothy Swaine Thomas, who directed the project and synthesized information from her informants, mostly graduate students in anthropology. These included Tamie Tsuchiyama, the only Japanese-American woman to contribute to the study, and Rosalie Hankey Wax.
In the United States Navy, female scientists conducted a wide range of research. Mary Sears, a planktonologist, researched military oceanographic techniques as head of the Hydgrographic Office's Oceanographic Unit. Florence Van Straten, a chemist, worked as an aerological engineer. She studied the effects of weather on military combat. Grace Hopper, a mathematician, became one of the first computer programmers for the Mark I computer. Mina Spiegel Rees, also a mathematician, was the chief technical aide for the Applied Mathematics Panel of the National Defense Research Committee.
Gerti Cori was a biochemist who discovered the mechanism by which glycogen, a derivative of glucose, is transformed in the muscles to form lactic acid, and is later reformed as a way to store energy. For this discovery she and her colleagues were awarded the Nobel prize in 1947, making her the third woman and the first American woman to win a Nobel Prize in science. She was the first woman ever to be awarded the Nobel Prize in Physiology or Medicine. Cori is among several scientists whose works are commemorated by a U.S. postage stamp.
Later 20th century
||This section is in a list format that may be better presented using prose. (November 2013)|
Nina Byers notes that before 1976, fundamental contributions of women to physics were rarely acknowledged. Women worked unpaid or in positions lacking the status they deserved. That imbalance is gradually being redressed.
In the early 1980s, Margaret Rossiter presented two concepts for understanding the statistics behind women in science as well as the disadvantages women continued to suffer. She coined the terms "hierarchical segregation" and "territorial segregation." The former term describes the phenomenon in which the further one goes up the chain of command in the field, the smaller the presence of women. The latter describes the phenomenon in which women "cluster in scientific disciplines.":33–34
A recent book titled Athena Unbound provides a life-course analysis (based on interviews and surveys) of women in science from early childhood interest, through university, graduate school and the academic workplace. The thesis of this book is that "Women face a special series of gender related barriers to entry and success in scientific careers that persist, despite recent advances".[page needed]
The L'Oréal-UNESCO Awards for Women in Science were set up in 1998, with prizes alternating each year between the materials science and life sciences. One award is given for each geographical region of Africa and the Middle East, Asia-Pacific, Europe, Latin America and the Caribbean, and North America.
Europe after World War II
- South-African born physicist and radiobiologist Tikvah Alper(1909–95), working in the UK, developed many fundamental insights into biological mechanisms, including the (negative) discovery that the infective agent in scrapie could not be a virus or other eukaryotic structure.
- French virologist Françoise Barré-Sinoussi performed some of the fundamental work in the identification of the human immunodeficiency virus (HIV) as the cause of AIDS, for which she shared the 2008 Nobel Prize in Physiology or Medicine.
- In July 1967, Jocelyn Bell Burnell discovered evidence for the first known radio pulsar, which resulted in the 1974 Nobel Prize in Physics for her supervisor. She was president of the Institute of Physics from October 2008 until October 2010.
- Astrophysicist Margaret Burbidge was a member of the B²FH group responsible for originating the theory of stellar nucleosynthesis, which explains how elements are formed in stars. She has held a number of prestigious posts, including the directorship of the Royal Greenwich Observatory.
- Mary Cartwright was a mathematician and student of G. H. Hardy. Her work on nonlinear differential equations was influential in the field of dynamical systems.
- Rosalind Franklin was a crystallographer, whose work helped to elucidate the fine structures of coal, graphite, DNA and viruses. In 1953, the work she did on DNA allowed Watson and Crick to conceive their model of the structure of DNA. Her photograph of DNA gave Watson and Crick a basis for their DNA research, and they were awarded the Nobel Prize without giving due credit to Franklin.
- Jane Goodall is a British primatologist considered to be the world's foremost expert on chimpanzees.
- Dorothy Hodgkin analyzed the molecular structure of complex chemicals by studying diffraction patterns caused by passing X-rays through crystals. She won the 1964 Nobel prize for chemistry.
- Irène Joliot-Curie, daughter of Marie Curie, won the 1935 Nobel Prize for chemistry with her husband Frédéric Joliot for their work in radioactive isotopes leading to nuclear fission.
- Palaeoanthropologist Mary Leakey discovered the first skull of a fossil ape on Rusinga Island and also a noted robust Australopithecine.
- Zoologist Anne McLaren conducted studied in genetics which led to advances in in vitro fertilization. She became the first female officer of the Royal Society in 331 years.
- Italian neurologist Rita Levi-Montalcini received the 1986 Nobel Prize in Physiology or Medicine for the discovery of Nerve growth factor (NGF). She was appointed a Senator for Life in the Italian Senate in 2001.
- Christiane Nüsslein-Volhard received the Nobel Prize in Physiology or Medicine in 1995 for research on the genetic control of embryonic development. She also started the Christiane Nüsslein-Volhard Foundation (Christiane Nüsslein-Volhard Stiftung), to aid promising young female German scientists with children.
- Bertha Swirles was a theoretical physicist who made a number of contributions to early quantum theory. She co-authored the well-known textbook Methods of Mathematical Physics with her husband Sir Harold Jeffreys.
United States after World War II
- Kay McNulty, Betty Jennings, Betty Snyder, Marlyn Wescoff, Fran Bilas and Ruth Lichterman were six of the original programmers for the ENIAC, the first general purpose electronic computer.
- Linda B. Buck is a neurobiologist who was awarded the 2004 Nobel Prize in Physiology or Medicine along with Richard Axel for their work on olfactory receptors.
- Biologist and activist Rachel Carson published Silent Spring, a work on the dangers of pesticides, in 1952.
- Eugenie Clark, popularly known as The Shark Lady, is an American ichthyologist known for her research on poisonous fish of the tropical seas and on the behavior of sharks.
- Ann Druyan is an American writer, lecturer and producer specializing in cosmology and popular science. Druyan has credited her knowledge of science to the 20 years she spent studying with her late husband, Carl Sagan, rather than formal academic training. She was responsible for the selection of music on the Voyager Golden Record for the Voyager 1 and Voyager 2 exploratory missions. Druyan also sponsored the Cosmos 1 spacecraft.
- Gertrude B. Elion was an American biochemist and pharmacologist, awarded the Nobel Prize in Physiology or Medicine in 1988 for her work on the differences in biochemistry between normal human cells and pathogens.
- Sandra Moore Faber, with Robert Jackson, discovered the Faber–Jackson relation between luminosity and stellar dispersion velocity in elliptical galaxies. She also headed the team which discovered the Great Attractor, a large concentration of mass which is pulling a number of nearby galaxies in its direction.
- Zoologist Dian Fossey worked with gorillas in Africa from 1967 until her murder in 1985.
- Astronomer Andrea Ghez received a MacArthur "genius grant" in 2008 for her work in surmounting the limitations of earthbound telescopes.
- Maria Goeppert-Mayer was the second female Nobel Prize winner in Physics, for proposing the nuclear shell model of the atomic nucleus. Earlier in her career, she had worked in unofficial or volunteer positions at the university where her husband was a professor. Goeppert-Mayer is one of several scientists whose works are commemorated by a U.S. postage stamp.
- Sulamith Low Goldhaber and her husband Gerson Goldhaber formed a research team on the K meson and other high-energy particles in the 1950s.
- Carol Greider and the Australian born Elizabeth Blackburn, along with Jack W. Szostak, received the 2009 Nobel Prize in Physiology or Medicine for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase.
- Rear Admiral Grace Murray Hopper developed the first computer compiler while working for the Eckert Mauchly Computer Corporation, released in 1952.
- Deborah S. Jin's team at JILA, in Boulder, Colorado in 2003 produced the first fermionic condensate, a new state of matter.
- Stephanie Kwolek, a researcher at DuPont, invented poly-paraphenylene terephthalamide – better known as Kevlar.
- Lynn Margulis is a biologist best known for her work on endosymbiotic theory, which is now generally accepted for how certain organelles were formed.
- Barbara McClintock's studies of maize genetics demonstrated genetic transposition in the 1940s and 50s. She dedicated her life to her research, and she was awarded the Nobel Prize in Physiology or Medicine in 1983. McClintock is one of several scientists whose works are commemorated by a U.S. postage stamp.
- Carolyn Porco is a planetary scientist best known for her work on the Voyager program and the Cassini–Huygens mission to Saturn. She is also known for her popularization of science, in particular space exploration.
- Lisa Randall is a theoretical physicist and cosmologist, best known for her work on the Randall–Sundrum model. She was the first tenured female physics professor at Princeton University.
- Sally Ride was an astrophysicist and the first American woman, and then-youngest American, to travel to outer space. Ride wrote or co-wrote several books on space aimed at children, with the goal of encouraging them to study science. Ride participated in the Gravity Probe B (GP-B) project, which provided more evidence that the predictions of Einstein's general theory of relativity are correct.
- Through her observations of galaxy rotation curves, astronomer Vera Rubin discovered the Galaxy rotation problem, now taken to be one of the key pieces of evidence for the existence of dark matter. She was the first female allowed to observe at the Palomar Observatory.
- Sara Seager is a Canadian-American astronomer who is currently a professor at the Massachusetts Institute of Technology and known for her work on extrasolar planets.
- Rosalyn Yalow was the co-winner of the 1977 Nobel Prize in Physiology or Medicine (together with Roger Guillemin and Andrew Schally) for development of the radioimmunoassay (RIA) technique.
Australia after World War II
- Amanda Barnard, an Australia-based theoretical physicist specializing in nanomaterials, winner of the Malcolm McIntosh Prize for Physical Scientist of the Year.
- Isobel Bennett, was one of the first women to go to Macquarie Island with the Australian National Antarctic Research Expeditions (ANARE). She is one of Australia's best known marine biologists.
- Dorothy Hill, an Australian geologist who became the first female Professor at an Australian university.
- Ruby Payne-Scott, was an Australian who was an early leader in the fields of radio astronomy and radiophysics. She was one of the first radio astronomers and the first woman in the field.
- Penny Sackett, an astronomer who became the first female Chief Scientist of Australia in 2008. She is a US-born Australian citizen.
- Fiona Stanley, winner of the 2003 Australian of the Year award, is an epidemiologist noted for her research into child and maternal health, birth disorders, and her work in the public health field.
Israel after World War II
- Ada Yonath, the first woman from the Middle East to win a Nobel prize in the sciences, was awarded the Nobel Prize in Chemistry in 2009 for her studies on the structure and function of the ribosome.
The Nobel Prize and Prize in Economic Sciences have been awarded to women 41 times between 1901 and 2010. Only one woman, Marie Sklodowska-Curie, has been honored twice, with the 1903 Nobel Prize in Physics and the 1911 Nobel Prize in Chemistry. This means that 40 women in total have been awarded the Nobel Prize between 1901 and 2010. 16 women have been awarded the Nobel Prize in physics, chemistry, physiology or medicine.
- 2009 – Ada E. Yonath
- 1964 – Dorothy Crowfoot Hodgkin
- 1935 – Irène Joliot-Curie
- 1911 – Marie Sklodowska-Curie
Physiology or Medicine
- 2009 – Elizabeth H. Blackburn
- 2009 – Carol W. Greider
- 2008 – Françoise Barré-Sinoussi
- 2004 – Linda B. Buck
- 1995 – Christiane Nüsslein-Volhard
- 1988 – Gertrude B. Elion
- 1986 – Rita Levi-Montalcini
- 1983 – Barbara McClintock
- 1977 – Rosalyn Yalow
- 1947 – Gerty Cori
||The examples and perspective in this section deal primarily with USA and do not represent a worldwide view of the subject. (April 2013)|
Statistics are used to indicate disadvantages faced by women in science, and also to track positive changes of employment opportunities and incomes for women in science.:33
Women appear to do less well than men (in terms of degree, rank, and salary) in the fields that have been traditionally dominated by women, such as nursing. In 1991 women attributed 91% of the PhDs in nursing, and men held 4% of full professorships in nursing. Women have never earned 4% of full professorship in any field dominated by men. In the field of psychology, where women earn the majority of PhDs, women do not fill the majority of high rank positions in that field.
Women's lower status and salaries in the scientific community are also reflected in statistics. According to the data provided in 1993, the median salaries of female scientists and engineers with doctoral degrees were 20% less than men.:35 This data can be explained[who?] as there was less participation of women in high rank scientific fields/positions and a female majority in low-paid fields/positions. However, even with men and women in the same scientific community field, women are typically paid 15–17% less than men. In addition to the gender gap, there is also salary differences between ethnicity: African-American women with more years of experiences earn 3.4% less than European-American women with similar skills.
Women are also poorly represented in the sciences as compared to their numbers in the overall working population. Within 11% of African-American women in the workforce, only 3% are employed as scientists and engineers. Hispanics made up 8% of the total workers in the USA, and yet only 3% of that number are scientists and engineers. Native Americans participation cannot be statistically measured.
Women tend to earn less than men in all industries, including government and academia. Women are less likely to be hired in highest-paid positions. The data showing the differences in salaries, ranks, and overall success between the genders is often claimed[who?] to be a result of women's lack of professional experience. But, according to the National Science Foundation research, after examining other factors such as age, experience, and education as the causes of why there is a gap in success between men and women, they concluded that discrimination is the only explanation for the poor positions and salaries of women and minorities.:37 The rate of women's professional achievement is increasing. In 1996, the salaries for women in professional fields increased from 85% to 95% relative to men with similar skills and jobs. Young women between the age of 27 and 33 earned 98%, nearly as much as their male peers. In the total workforce of the United States, women earn 74% as much as their male counterparts (in the 1970s they only made 59% as much as their male counterparts).:33–37[contradiction]
Research on women's participation in the "hard" sciences such as physics and computer science speaks of the "leaky pipeline" model, in which the proportion of women "on track" to potentially becoming top scientists fall off at every step of the way, from getting interested in science and maths in elementary school, through doctorate, postdoc, and career steps. The leaky pipeline is also applicable in other fields. In biology, for instance, women in the United States have been getting Masters degrees in the same numbers as men for two decades, yet fewer women get PhDs; and the numbers of women P.I.s have not risen.
In the UK, women occupied over half the places in science-related higher education courses (science, medicine, maths, computer science and engineering) in 2004/5. However, gender differences by individual subject were large: women substantially outnumbered men in biology and medicine, especially nursing, while men predominated in maths, physical sciences, computer science and engineering.
In the U.S., women with science or engineering doctoral degrees were predominantly employed in the education sector in 2001, with substantially fewer employed in business or industry than men. According to salary figures reported in 1991, women earn anywhere between 83.6 percent to 87.5 percent that of a man's salary. An even greater disparity between men and women is the ongoing trend that women scientists with more experience are never as well-compensated as their male counterparts. The salary of a male engineer continues to experience growth as he gains experience whereas the female engineer sees her salary reach a plateau.
Women, in the United States and many European countries, who succeed in science tend to be graduates of single-sex schools.(Chapter 3) Women earn 54% of all bachelor's degrees in the United States and 50% of those are in science. Furthermore, only 9% of U.S. physicists are women.(Chapter 2)
Social, historical, and critical studies
Beginning in the late twentieth century to present day, more and more women are becoming involved in science. However, women often find themselves at odds with expectations held towards them in relation to their scientific studies. For example, in 1968 James Watson questions scientist Rosalind Franklin's place in the industry. He claimed that "the best place for a feminist was in another person's lab",:76–77 most often a male's research lab. Women were and still are often critiqued of their overall presentation. In Franklin's situation, she was seen as lacking femininity for she failed to wear lipstick or revealing clothing.:76–77 Women believed that in order to gain recognition, they needed to hide their feminine qualities, to thus appear more masculine. Women in the sixties were often forced to wear men's clothing, which often did not fit for they were too large or too short within the crotch area. Since most of their colleagues in science are men, women also find themselves left out of opportunities to discuss possible research opportunities. In Londa Scheibinger's book, Has Feminism Changed Science?, she explains how men discuss research outside of the lab, but this conversation is preceded by talk of sports and the like, thus excluding women.:81–91 This causes women to seek other women in science to converse with, which in turn causes their final work to be looked down upon, for a male scientist was not involved.
Science and gender
According to Londa Schiebinger, many have argued that science should have a gender.:67 Sir Francis Bacon, the seventieth-century English ideologue, called for the Royal Society of London to "raise a masculine philosophy". The nineteenth-century German historian of philosophy Karl Joel, appalled by what he saw as the excesses of the French Enlightenment, urged a return to manly philosophy and applauded the arrival of a masculine epoch ushered in by the critical philosophy of Immanuel Kant. Kant taught that anyone engaged in serious intellectual endeavor should have a beard. Even the great English feminist Mary Wollstonecraft, in her efforts to create equality between the sexes, encouraged woman to become "more masculine and respectable."
Margaret W. Rossiter
Margaret Rossiter, an American historian of science, offered three concepts to explain the reasons behind the data in statistics and how these reasons disadvantaged women in science industry. The first concept is hierarchical segregation. This is a well-known phenomenon in society, that the higher the level and rank of power and prestige, the smaller the population of females participating. The hierarchical differences point out that there are fewer women participating at higher levels of both academia and industry. Based on data collected in 1982, women earn 54 percent of all bachelor's degrees in the United States, with 50 percent of these in science. The source also indicated that this number increased almost every year. There are fewer women at the graduate level; they earn 40 percent of all doctorates, with 31 percent of these in science and engineering.
The second concept included in Rossiter's explanation of women in science is territorial segregation.:34–35 The term refers to how female employment is often clustered in specific industries or categories in industries. Women stayed at home or took employment in feminine fields while men left the home to work. Although nearly half of the civilian work force is female, women still comprise the majority of low-paid jobs or jobs that society considered feminine. Statistics show that 60 percent of white professional women are nurses, daycare workers, or schoolteachers. Territorial disparities in science are often found between the 1920s and 1930s, when different fields in science were divided between men and women. Men dominated the chemistry, medical sciences, and engineering, while women dominated the fields of botany, zoology, and psychology. The fields in which the majority of women are concentrated are known as the "soft" sciences and tend to have relatively low salaries.
Researchers collected the data on many differences between women and men in science. Rossiter found that in 1966, thirty-eight percent of female scientists held master's degrees compared to twenty-six percent of male scientists; but large proportions of female scientists were in environmental and nonprofit organizations. During the late 1960s and 1970s, equal-rights legislation made the number of female scientists rise dramatically. The statistics from National Science Board(NSB) present the change at that time. The number of science degrees awarded to woman rose from seven percent in 1970 to twenty-four percent in 1985. In 1975 only 385 women received bachelor's degrees in engineering compared to 11,000 women in 1985, indicating the importance of legislation to the representation of women in science. Elizabeth Finkel claims that even if the number of women participating in scientific fields increases, the opportunities are still limited. Jabos who worked for NSB reported the pattern of women in receiving doctoral degrees in science: even though the numbers of female scientists with higher-level degrees increased, they still were consistently in a minority. Another reporter, Harriet Zuckerman, claims that when woman and man have similar abilities for a job, the probability of the woman getting the job is lower. Elizabeth Finkel agrees, saying, "In general, while woman and men seem to be completing doctorate with similar credentials and experience, the opposition and rewards they find are not comparable. Women tend to be treated with less salary and status, many policy makers notice this phenomenon and try to rectify the unfair situation for women participating in scientific fields."
In 2013, journalist Christie Aschwanden noted that a type of media coverage of women scientists that "treats its subject's sex as her most defining detail" was still prevalent. She proposed a checklist, the "Finkbeiner test", to help avoid this approach. It was cited in the coverage of a much-criticized 2013 New York Times obituary of rocket scientist Yvonne Brill that began with the words: "She made a mean beef stroganoff".
Efforts to increase representation
A number of organizations have been set up to combat the stereotyping that may encourage girls away from careers in these areas. In the UK The WISE Campaign (Women into Science, Engineering and Construction) and the UKRC (The UK Resource Centre for Women in SET) are collaborating to ensure industry, academia and education are all aware of the importance of challenging the traditional approaches to careers advice and recruitment that mean some of the best brains in the country are lost to science. The UKRC and other women's networks provide female role models, resources and support for activities that promote science to girls and women. One of the largest membership groups in the UK is Women's Engineering Society which has been supporting women in engineering and science since 1919. In the specific field of computing, the British Computer Society specialist group BCSWomen is active in encouraging girls to consider computing careers, and in supporting women in the computing workforce.
In the United States, there are numerous national organizations that attempt to address the needs of women in science at all levels. The Association for Women in Science is one of the most prominent organization for professional women in science. In 2011, The Scientista Foundation was created to empower pre-professional college and graduate women in STEM to stay in the career track. There are also several organizations focused on increasing mentorship. One of the best known groups is Science Club for Girls, which pairs undergraduate mentors with high school and middle school mentees. In 2013, the Grolier Club in New York hosted a "landmark exhibition" titled "Extraordinary Women in Science & Medicine: Four Centuries of Achievement", showcasing the lives and works of 32 women scientists.
The National Institute for Occupational Safety and Health (NIOSH) developed a "Women in Science" video series highlighting the stories of female researchers at NIOSH. Each of the women featured in the videos share their journey into science, technology, engineering, or math (STEM), and offers encouragement to aspiring scientists. NIOSH also partners with external organizations in efforts to introduce individuals to scientific disciplines and funds several science-based training programs across the country.
In January 2005, Harvard University President Lawrence Summers sparked controversy when, at an NBER Conference on Diversifying the Science & Engineering Workforce, he made comments suggesting the lower numbers of women in high-level science positions may in part be due to innate differences in abilities or preferences between men and women. He noted the generally greater variability among men (compared to women) on tests of cognitive abilities, leading to proportionally more males than females at both the lower and upper tails of the test score distributions. In his discussion of this, Summers said that "even small differences in the standard deviation [between genders] will translate into very large differences in the available pool substantially out [from the mean]".
In 2012, a journal article published in Proceedings of the National Academy of Sciences (PNAS) reported a gender bias among science faculty. Faculty were asked to review a resume from a hypothetical student and report how likely they would be to hire or mentor that student, as well as what they would offer as starting salary. Two resumes were distributed randomly to the faculty, only differing in the names at the top of the resume (John or Jennifer). The male student was rated as significantly more competent, more likely to be hired, and more likely to be mentored. The median starting salary offered to the male student was greater than $3,000 over the starting salary offered to the female student. Both male and female faculty exhibited this gender bias. This study suggests bias may partly explain the persistent deficit in the number of women at the highest levels of scientific fields.
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