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Jan or Johannes Swammerdam (February 12, 1637 – February 17, 1680) 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.
Jan Swammerdam (baptized Feb. 12, 1637, Amsterdam—died Feb. 15, 1680, Amsterdam) was a Dutch naturalist, considered the most accurate of classical microscopists, who was the first to observe and describe red blood cells (1658).
Jan Swammerdam, a 17th century Dutch microscopist, made major discoveries in medicine and anatomy. Above all, he made a decisive contribution to the development of biology and a materialist understanding of nature.
May 21, 2018 · Jan Swammerdam. The Dutch natural scientist Jan Swammerdam (1637-1680) was a founder of comparative anatomy and entomology and was very skillful in the art of microdissection. Jan Swammerdam was born on Feb. 12, 1637, in Amsterdam. His father, a prosperous apothecary, had collected a museum of curiosities.
Oct 31, 2007 · Jan Swammerdam, known as the founder of the preformation theory based on his extensive research on insect development, was born on 12 February 1637 in Amsterdam, the Netherlands, to Baertje Jans Corvers and Jan Jacobszoon Swammerdam.
Trained as a doctor in the prestigious new university of Leiden, Swammerdam was one of a group of highly talented students that included de Graaf (1641-1673), Stenson (1638-1686) and Ruysch (1638-1728), each of whom made a major contribution to science.
In 1670, inspired by Malpighi's study of the silkworm, Swammerdam began to dissect insects under a primitive but very powerful single-lens microscope. This led to a series of astonishing investigations of insect anatomy and development, including a remarkable study of the bee.
