John Edgar Hoover (January 1, 1895 – May 2, 1972) was an American law enforcement administrator who served as the final Director of the Bureau of Investigation (BOI) and the first Director of the Federal Bureau of Investigation (FBI). President Calvin Coolidge first appointed Hoover as director of the BOI, the predecessor to the FBI, in 1924. https://en.wikipedia.org/wiki/J._Edgar_Hoover