Deaths on August 17

Regnier de Graaf

Died on August 17, 1673

Regnier de Graaf, Dutch physician and anatomist (b. 1641)

Regnier de Graaf (English spelling), original Dutch spelling Reinier de Graaf, or Latinized Reijnerus de Graeff (30 July 1641 – 17 August 1673) was a Dutch physician, physiologist and anatomist who made key discoveries in reproductive biology. He specialized in iatrochemistry and iatrogenesis, and was the first to develop a syringe to inject dye into human reproductive organs so that he could understand their structure and function.

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Regnier de Graaf

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Events on 1673

17 Jun

Mississippi River
French explorers Jacques Marquette and Louis Jolliet reach the Mississippi River and become the first Europeans to make a detailed account of its course.