marine biologist Nathan Cobb (1859-1932), American biologist, considered the founder of the discipline of nematology Alfred Cogniaux (1841-1916), Belgian botanist (abbr. in bot. : Cogn.) Stanley Cohen (born 1922), American biologist who won the Nobel Prize Laureate in Physiology and Medicine (1986) for his discovery of growth factors. Henry Boardman Conover (1892-1950),