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)
Frank Sinatra being heavily involved in political activity in 1945 and 1946, in those two years Sinatra sang on 160 radio shows, recorded 36 times, and shot four films. By 1946 he was performing on stage up to 45 times a week, singing up to 100 songs daily, and earning up to $93,000 a week. In 1946 Sinatra released "Oh! What it Seemed to Be", "Day by Day", "They Say It's Wonderful", "Five Minutes More", and "The Coffee Song" as singles, and launched his first album, "The Voice of Frank Sinatra", which reached No. 1 on the Billboard chart. William Ruhlmann of