List of Biologists

Zbigniew Kabata (born 1924), Polish parasitologist
Pehr Kalm (1716–1779), Swedish botanist
Eric R. Kandel (born 1929), Austrian-born American neuroscientist. Winner of the 2000 Nobel Prize in Physiology or Medicine for his work on the neural correlates of memory
Gustav Karl Wilhelm Hermann Karsten (1817–1908), German botanist
Rudolf Kaufmann (1909-c1941), trilobitologist known for his contributions to allopatric speciation and punctuated equilibrium.
Stuart Kauffman (born 1939), biologist widely known for his promotion of self-organization as a factor in producing the complexity of biological systems and organisms
Johann Jakob Kaup (1803–1873), German naturalist
Janet Kear (1933–2004), English ornithologist
Gerald A. Kerkut (1927–2004), British zoologist and physiologist
Anton Kerner von Marilaun (1831–1898), Austrian botanist
Robert Kerr (1755–1813), published The Animal Kingdom in 1792
Warwick Estevam Kerr (born 1922), Brazilian geneticist, specialist in bee genetics, introducer of African bees in Brazil
Motoo Kimura (1924–1994), Japanese mathematical biologist, working in the field of theoretical population genetics
Norman Boyd Kinnear (1882–1957), Scottish zoologist
William Kirby (1759–1850), English entomologist
Heinrich von Kittlitz (1799–1874), German naturalist
Wilhelm Kobelt (1840–1916), German zoologist and malacologist
Fritz Köberle (1910–1983), Austrian-Brazilian physician and pathologist, student of Chagas disease
Karl Koch (1809–1879), German botanist
Robert Koch (1843–1910), German Nobel Prize-winning physician and bacteriologist
Emil Theodor Kocher (1841–1917), German physician, winner of the 1909 Nobel Prize in Physiology or Medicine for "his work on the physiology, pathology and surgery of the thyroid gland"
Alexander Koenig (1858–1940), German naturalist
Albert von Kölliker (1817–1905), Swiss physiologist
Charles Konig (1774–1851), German naturalist
Arthur Kornberg (born 1918), discovered DNA polymerase
Adriaan Kortlandt, (born 1918), Dutch ethologist
Albrecht Kossel (1853–1927), German physician and winner of the 1910 Nobel Prize in Physiology or Medicine for his research in cell biology
Hans Adolf Krebs (1900–1981), German biochemist and winner of the 1953 Nobel Prize in Physiology or Medicine for his discovery of the citric acid cycle in cellular respiration
Gerard Krefft (1830–1881), German-born Australian zoologist and palaeontologist
Eduardo Krieger (born 1930), Brazilian physician and physiologist
Kewal Krishan (born 1973), Biological Anthropologist, specialized in Forensic Anthropology, serving at Panjab University, Chandigarh, India
Schack August Steenberg Krogh (1874–1949), Danish physiologist, winner of the 1920 Nobel Prize in Physiology or Medicine for the discovery of the mechanism of regulation of the capillaries in skeletal muscle
Heinrich Kuhl (1797–1821), German zoologist