Rat Pack relations), Swifty Lazar (recording secretary and treasurer), Nathaniel Benchley (historian), David Niven, Katharine Hepburn, Spencer Tracy, George Cukor, Cary Grant, Rex Harrison, and Jimmy Van Heusen. In his autobiography "The Moon's a Balloon", David Niven confirms that the Rat Pack originally included him but neither Sammy Davis, Jr. nor Dean Martin. The 1960s version of the group included Frank Sinatra, Dean Martin, Sammy Davis Jr., Peter Lawford, and Joey Bishop. Marilyn Monroe, Angie Dickinson, Juliet Prowse, Buddy Greco, and Shirley MacLaine were often referred to as the "Rat Pack Mascots". The post-Bogart version of the group (Bogart died in 1957)
Rat Pack and in films in the early 1960s, including the movies "Ocean's 11", "Sergeants 3", and "Robin and the 7 Hoods" (in the last film, Bing Crosby replaced Lawford). Sinatra, Martin, and Davis were regarded as the group's lead members. The name "The Rat Pack" was first used to refer to a group of friends in New York. Several explanations have been offered for the famous name over the years. According to one version, the group's original "Den Mother", Lauren Bacall, after seeing her husband, Humphrey Bogart, and his friends return from a night in Las Vegas, said words to the