Jan Swammerdam
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. As part of his anatomical research, he carried out experiments on muscle contraction. In 1658, he was the first to observe and describe red blood cells. He was one of the first people to use the microscope in dissections, and his techniques remained useful for hundreds of years.
Jan Swammerdam | |
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A 19th-century fantasy portrait, based on the face of Hartman Hartmanzoon from Rembrandt's The Anatomy Lesson of Dr. Nicolaes Tulp. No genuine portrait is known. | |
| Born | February 12, 1637 |
| Died | February 17, 1680 (aged 43) Amsterdam, Dutch Republic |
| Nationality | Dutch |
| Alma mater | University of Leiden |
| Known for | Describing erythrocytes, work on entomology |
| Scientific career | |
| Fields | Entomology |
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