Jan Swammerdam, Dutch biologist, zoologist, and entomologist (born 1637)

Jan Swammerdam

Dutch biologist and microscopist (1637–1680)

Jan or Johannes Swammerdam was a Dutch biologist and microscopist. His work on insects demonstrated that the various phases during the life of an insect—egg, larva, pupa, and adult—are different forms of the same animal. As part of his anatomical research, he carried out…