Donald Barr

Donald Barr (August 8, 1921 – February 5, 2004) was an American educator, writer, and Office of Strategic Services (OSS) agent. He was an administrator at Columbia University before serving as headmaster at the Dalton School in New York City and the Hackley School in Tarrytown, New York. He also wrote two science fiction novels. His sons are former United States Attorney General William Barr and physicist Stephen Barr.