Joseph Leidy Scientist

Joseph Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist.Leidy was professor of anatomy at the University of Pennsylvania, and later was a professor of natural history at Swarthmore College. His book Extinct Fauna of Dakota and Nebraska (1869) contained many species not previously described and many previously unknown on the North American continent. At the time, scientific investigation was largely the province of wealthy amateurs.

Personal facts

Birth date	September 09, 1823
Birth place	Pennsylvania , Philadelphia
Nationality	United States
Date of death	April 30, 1891
Place of death	Pennsylvania , Philadelphia