1854 in science

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The year 1854 in science and technology involved some significant events, listed below.

Astronomy

• July 22 – Discovery of the asteroid 30 Urania by John Russell Hind.
• George Airy calculates the mean density of the Earth by measuring the gravity in a coal mine in South Shields.

Chemistry

• Benjamin Silliman of Yale University is the first person to fractionate petroleum into its individual components by distillation.

Mathematics

• George Boole's work on algebraic logic, An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities, published in London.
• Arthur Cayley states the original version of Cayley's theorem and produces the first Cayley table.
• Bernhard Riemann, a German mathematician, submits his habilitation thesis [Ueber die Darstellbarkeit einer Function durch eine trigonometrische Reihe] Error: {{Lang}}: text has italic markup (help) ("About the representability of a function by a trigonometric series"), in which he describes the Riemann integral. It is published by Richard Dedekind in 1867.

Medicine

• April–May – Dr John Snow traces the source of one outbreak of cholera in London (which kills 500) to a single water pump, validating his theory that cholera is water-borne, and forming the starting point for epidemiology.
• November – Florence Nightingale and her team of trained volunteer nurses arrive at Selimiye Barracks in Scutari in the Ottoman Empire to care for British Army troops invalided from the Crimean War.
• Spanish-born vocal pedagogist Manuel García observes his own functioning glottis using a form of laryngoscope incorporating mirrors.
• Claude Bernard introduces the term Milieu intérieur in physiology.

Microbiology

• Filippo Pacini, an Italian anatomist, discovers Vibrio cholerae, the bacterium that causes cholera.
• Louis Pasteur begins studying fermentation at the request of brewers.

Technology

Fink truss

• May 9 – Albert Fink patents the Fink truss in the United States.
• May 17 – Deck of Wheeling Suspension Bridge in the United States destroyed through torsional movement and vertical undulations in a severe windstorm.
• July – First voyage by a seagoing steamship fitted with a compound steam engine, the screw steamer Brandon, built on the River Clyde in Scotland by John Elder.
• December 20 – In the case of Talbot v. Laroche, pioneer of photography Henry Fox Talbot fails in asserting that the collodion process infringes his calotype patent.
• James Ambrose Cutting takes out three United States patents for improvements to the wet plate collodion process (Ambrotype photography).
• Elisha Otis completes work on the safety elevator.

Awards

• Copley Medal: Johannes Peter Müller
• Wollaston Medal for Geology: Richard John Griffith

Births

• January 27 – George Alexander Gibson (died 1913), Scottish physician and geologist.
• January 29 – Fred Baker (died 1938), American physician and naturalist.
• March 4 – Napier Shaw (died 1945), English meteorologist.
• March 15 – Emil Adolf von Behring (died 1917), German physiologist, winner of the Nobel Prize in Physiology or Medicine in 1901.
• March 31 – Dugald Clerk (died 1932), Scottish mechanical engineer.
• April 28 – Phoebe Marks, later Hertha Ayrton (died 1923), English electrical engineer.
• April 29 – Henri Poincaré (died 1912), French mathematician.
• May 11 – Ottmar Mergenthaler (died 1899), German-born inventor.
• June 13 – Charles Algernon Parsons (died 1931), British inventor of the steam turbine.
• July 12 – George Eastman (suicide 1932), American photographic inventor.
• July 23 – Birt Acres (died 1918), American-born cinematographic inventor.
• October 3 – Hermann Struve (died 1920), Russian-born astronomer.

Deaths

• April 15 – Arthur Aikin (born 1773), chemist and mineralogist
• July 6 – Georg Ohm (born 1787), physicist
• November 18 – Edward Forbes (born 1815), naturalist