1928. This is the story of the man who gained his idealism of unswerving integrity and spiritual quality from his mother; and his love of human contacts, his shy but unfailing sense of humor, and his interest in mechanics from his father. Hoover was a mining engineer working throughout the world and helped lay the foundation for federal regulation of radio broadcasting and commercial aviation in the United States. He was the 31st President, but was defeated in his bid for reelection.