The Man Who Knew Everything, published in 1956 by Randall Garrett, is a science fiction novella that follows Philip Merriwether, an ordinary man with a poor memory who becomes an unwitting repository of top-secret Cold War knowledge after a bizarre scientific experiment. This transformation thrusts him into a world of espionage and intrigue as authorities investigate how he acquired sensitive information. The story explores themes of intelligence, identity, and the unintended consequences of technological advancements, blending elements of comedy and suspense in a politically charged atmosphere.
