Clyde Tolson
Clyde Anderson Tolson (May 22, 1900 – April 14, 1975) was Associate Director of the FBI from 1930 until 1972, primarily responsible for personnel and discipline. He is best known as the protégé and companion of FBI Director J. Edgar Hoover.
Read more about Clyde Tolson: Early Career, Later Life, Relationship With Hoover, Depictions in Fiction