Conrad Gessner
Swiss physician, bibliographer and naturalist (1516–1565) / From Wikipedia, the free encyclopedia
Conrad Gessner (or Konrad Gessner, 26 March 1516 – 13 December 1565) was a Swiss naturalist and bibliographer. His five-volume Historiae animalium (1551–1558) is a forerunner of modern zoology. The flowering plant genus Gesneria is named after him.