Jack_L._Anson
Jack Lee Anson (August 3, 1924 – September 15, 1990) was an important leader in the American college interfraternity movement, and was known as "Mr. Fraternity." Under Anson's leadership as executive director of the North American Interfraternity Conference, college fraternities and sororities gained an exemption from Title IX legislation to preserve the single-sex nature of the organizations.