May 11th:
(1) (1722) Dutch physician, anatomist, physiologist, and midwife Petrus Camper was born. He was known for inventing the measure of face angle, and for his work on trying to improve surgery and midwifery.
(2) (1752) German physician, naturalist, physiologist, and anthropologist Johann Friedrich Blumenbach was born. He was one of the first to look at the study of mankind as an aspect of natural history and he also developed a theory that there are five human races.
(3) (1946) American scientist, researcher, and entrepreneur Robert Koffler Jarvik is born. He is known for his role in developing the Jarvik-7 artificial heart.
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