During World War II, served in the Canadian Army and emceed shows for the troops. Performed in musical and dramatic stage productions while studying chemistry at the University of Manitoba. Moved to New York in 1955 to anchor the NBC radio program Monitor. Created the game show Let's Make a Deal, which premiered on December 30, 1963. Honored with Canada's highest award, the Order of Canada, in 1988 for his humanitarian work with multiple charitable organizations around the world. Received the 2005 Ralph Edwards Award from the Game Show Congress for career community service. The probability puzzle known as the Monty Hall Problem stems from the mathematical odds of winning the big prize on Let's Make a Deal, and has been featured on programs like NUMB3RS and in the movie 21.