Clyde Tolson

Clyde Tolson was the Associate Director of the FBI and J. Edgar Hoover's closest confidant. His name frequently appears on the routing slips of declassified FBI memoranda, including those discussing high-profile UFO sightings and Project Blue Book coordination. As a top-tier FBI executive, he was kept informed of the Bureau's intelligence-gathering efforts regarding flying discs.

Key FBI executive whose name appears on numerous declassified UFO-related routing slips.