The Thin Man (film) he almost takes the life of someone who knows too much. Cast notes: The film was based on the novel of the same name by Dashiell Hammett, released in January 1934. Hammett's novel drew on his experiences as a union-busting Pinkerton detective in Butte, Montana. Hammett based Nick and Nora's banter upon his rocky on-again, off-again relationship with playwright Lillian Hellman. MGM paid Hammett $21,000 for the screen rights to the novel. The screenplay was written by Albert Hackett and Frances Goodrich, who had been married for three years. Director W.S. Van Dyke encouraged them to use Hammett's writing as
Thin Man (nuclear bomb) materials react more rapidly and therefore more completely. It was decided that the plutonium gun would receive the bulk of the research effort, since it was the project with the least amount of uncertainty involved. It was assumed that the uranium gun-type bomb could be more easily adapted from it. The gun-type and implosion-type designs were codenamed "Thin Man" and "Fat Man" projects respectively. These code names were created by Robert Serber, a former student of Oppenheimer's who worked on the Manhattan Project. He chose them based on their design shapes; the "Thin Man" would be a very long device,