J. Edgar Hoover

Biography

John Edgar Hoover was a pioneering American law enforcement administrator who served as director of the Federal Bureau of Investigation (FBI) for an unprecedented 48 years. Appointed by President Calvin Coolidge in 1924, Hoover transformed the agency into a modern crime-fighting force, introducing innovations like fingerprint files and forensic laboratories. He remained at the helm until his death in 1972, leaving a lasting impact on US law enforcement.