1950: Gian Carlo Menotti
1951: Douglas Stuart Moore
1952: Gail Kubik
1953: -no prize awarded-
1954: Quincy Porter
1955: Gian Carlo Menotti
1956: Ernst Toch
1957: Norman Dello Joio
1958: Samuel Barber
1959: John La Montaine
1950: Gian Carlo Menotti
1951: Douglas Stuart Moore
1952: Gail Kubik
1953: -no prize awarded-
1954: Quincy Porter
1955: Gian Carlo Menotti
1956: Ernst Toch
1957: Norman Dello Joio
1958: Samuel Barber
1959: John La Montaine