Margaret Floy Washburn

Margaret Floy Washburn , leading American psychologist in the early 20th century, was best known for her experimental work in animal behavior and motor theory development. She was the first woman to be granted a PhD in psychology , and the second woman, after Mary Whiton Calkins, to serve as an APA President . A Review of General Psychology survey, published in 2002, ranked Washburn as the 88th most cited psychologist of the 20th century, tied with John Garcia, James J. Gibson, David Rumelhart, Louis Leon Thurstone, and Robert S. Woodworth.

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Source: Wikipedia