Thin Man (nuclear bomb) and the name came from the Dashiell Hammett detective novel "The Thin Man" and series of movies by the same name. The "Fat Man" bomb would be round and fat and was named after Sydney Greenstreet's character in "The Maltese Falcon". "Little Boy" would come last and be named only to contrast to the "Thin Man" bomb. Oppenheimer assembled a team at the Los Alamos Laboratory to work on plutonium gun design that included senior engineer Edwin McMillan and senior physicists Charles Critchfield and Joseph Hirschfelder. Critchfield had been working with sabots, which Oppenheimer believed would be required by the
Ballad of a Thin Man Ballad of a Thin Man "Ballad of a Thin Man" is a song written and recorded by Bob Dylan, and released as the final track on Side One of his sixth album, "Highway 61 Revisited," in 1965. Dylan recorded "Ballad of a Thin Man" in Studio A of Columbia Records in New York City, located at 799 Seventh Avenue, just north of West 52nd Street on August 2, 1965. Record producer Bob Johnston was in charge of the session, and the backing musicians were Mike Bloomfield on lead guitar, Bobby Gregg on drums, Harvey Goldstein on bass, Al Kooper on