So says Hollywood and "historians". Is there actual proof of this?
Well, he and Clyde Tolson, lived together, vacationed together, never married, ate all their meals together, and Hoover left his estate to him. Hoover was meticulous about his agent’s appearance and clothing. He famously fired an agent because he said he looked like a longshoreman or truck driver.
He was famous for eavesdropping on other men’s sex lives.
Hoover was a homo. And if you need more proof, google hoover and Tolson photos. Pegs the gaydar.