Olin Sewall Pettingill Jr Scientist
Olin Sewall Pettingill, Jr. , (October 30, 1907-December 11, 2001), better known as Sewall Pettingill, was an American naturalist, author and filmmaker, president of the Wilson Ornithological Society from 1948 to 1950, a member of the Board of Directors of the National Audubon Society from 1955 to 1974, and a Life Fellow of the American Ornithologists' Union.