Biological illustration is the use of technical illustration to visually communicate the structure and specific details of biological subjects of study. This can be used to demonstrate anatomy, explain biological functions or interactions, direct surgical procedures, distinguish species, and other applications. The scope of biological illustration can range from the whole organism level to microscopic.
Types of biological illustrations include:
Historically, biological illustrations have been in use since the beginning of man's exploration and attempts to understand the world around him. The paleolithic cave paintings were so detailed that we can even recognize species and breeds of many of the depicted animals today. For example, in the Chauvet-Pont-d'Arc Cave (circa 30,000 BC), at least 13 different species have been identified. In one prehistoric cave (circa 15,000 BC), there is a drawing of a mammoth with a darkened area where the heart should be. If this is indeed the intention of the illustration, it would be the world's first anatomical illustration.
In the Alexandrian era (356 – 323 BC), the Greek physician Herophilus, now known as the father of anatomy, performed public dissections and recorded his findings. In the 1st century AD, Pedanius Dioscorides compiled the De Materia Medica, a collection of medicinal information and recipes, containing illustrations of about 600 plants in all.
During the Renaissance, artist and scientist Leonardo DaVinci famously sketched his observations from human dissections, as well as his studies of plants and the flight of birds. In the mid-16th century, the physician Andreas Vesalius compiled and published the De humani corporis fabrica, a collection of textbooks on human anatomy superior to any illustrations that had been produced until that point. In the early 1600s, the explorer Étienne de Flacourt documented his travels to Madagascar, and illustrated the unique fauna there, setting a precedence for future explorers as world travel became a more feasible reality.
During his five-year voyage of the HMS Beagle, Charles Darwin wrote and illustrated the The Voyage of the Beagle, which was published in 1839. In the beginning of the 20th century, one of the most prolific biological illustrator, Ernst Haeckel, discovered, described, and named thousands of new species, and his published work, Kunstformen der Natur, contained hundreds of prints of various organisms, many of which were first described by Haeckel himself.
Education & employment
Biological illustrations can be found in use in history and anatomy textbooks, nature guides, natural history museums, scientific magazines and journals, botanical gardens, zoos and aquariums, surgical training manuals, and many more applications. Biological illustration can be pursued as a degree in the undergraduate, graduate, and technical college levels. Preparation for a biological illustration career can include a background or art or science, or a combination of both. Skills development in biological illustration can involve two-dimensional art, animation, graphic design, and sculpture (such as necessary in custom prosthetics).
It is possible to work in biological illustration without a specific degree, but a degree will significantly enhance an illustrator's employment opportunities. Job applications can be submitted to scientific researchers, publishers of scientific manuscripts, research institutions, museums, scientific foundations, commercial book publishers or university presses, individual authors, hospitals and medical training centers, local and state government offices, park services, environmental control offices, special government committees, printers and commercial publishing houses. Employment opportunities in the biological illustration profession are fairly limited, full-time jobs are not often available, and many experienced illustrators are self-employed, on short-term contracts, or work in science communication careers with few illustration duties. Many illustrators prefer the flexibility of their own working arrangements, but this is only possible when they are well established in the field and capable of locating work when needed. Many freelance illustrators supplement their salary with commercial illustration and graphic design projects, as is common in many art careers.
Biological illustration has traditionally employed the techniques of using carbon dust, color pencil, stipple pen and ink, lithography, watercolor and gouache, however digital illustration has recently become more important in the field. Every professional scientific illustration begins with multiple rough sketches. Many details must be discussed between the artist and scientist before a final drawing can be completed, and additional preliminary drawings must be prepared in order to work out aesthetic details.
Pen and ink (often a flex nib fountain pen) line illustrations are clean, crisp, clear, and inexpensive to produce, making them ideal for biological illustrations. Ink drawings are typically made on a heavy drawing paper, such as Bristol board.
Digital illustration can be done using a monitor or drawing tablet, computer software such as Adobe Illustrator or Photoshop, or it can be used in post-production after the illustration has been drawn by hand.
- Moffat, Charles (2007). "Prehistoric & Ancient Art". Arthistoryarchive.com. Lilith Gallery Network. Retrieved 19 February 2014.
- "Cave Paintings". Boundless.com. Boundless. Retrieved 19 February 2014.
- Hajar, Rachel (2011). "Medical illustration: Art in medical education". Heart Views 12 (2): 83. doi:10.4103/1995-705X.86023. ISSN 1995-705X.
- "Herophilus". Encyclopaedia Britannica Online. Encyclopaedia Britannica. 2014. Retrieved 19 February 2014.
- "Careers and Education in Science Illustration". GNSI.org. Guild of Natural Science Illustrators. 2010. Retrieved 25 February 2014.
- "Drawing". Department of Paleobiology. Smithsonian Institution. Retrieved 25 February 2014.
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Scientific illustrators represent visually aspects of science, particularly observations of the natural world. The emphasis in scientific illustration is on accuracy and utility, rather than on aesthetics, although scientific illustrators are skilled artists and often known for aesthetic values. Scientific illustration was an important part of scientific communication prior to photography. Since the development of photography, scientific illustration is particularly useful for selective renderings rather than lifelike accuracy. For instance, illustrations of stellar phenomena that are not visible to the human eye; or medical illustrations, which highlight particular parts of a system.
See also technical illustration, which aims to illustrate scientific principles, engineering schemata, inventions and technologies.