Career
He played for the University of Michigan from 1947–1950 and was inducted into the University of Michigan Athletic Hall of Honor in 1990. A native of Schenectady, New York, Supronowicz was 6 foot, 1 inch, and 180 pounds. He played high school basketball for Mountain.
Pleasant High School.
As a senior in 1946, he scored 20 points in a 53-29 victory over Manlius Military Academy. He enrolled at the University of Michigan in 1946 and was a four-year starter for the school"s basketball team
As a freshman in 1947, Supronowicz was selected as the Wolverines" most valuable player and ranked as one of the leading scorers in the Big Nine Conference. His outstanding performance in his freshman year led a New York newspaper to write the following:
Despite being hampered by a concussion for much of the 1948 season, he was chosen as the outstanding basketball player in the Big Nine Conference as a sophomore.
He also led Michigan to the National Collegiate Athletic Association tournament in 1948.
In the consolation game against Columbia, Michigan began the second half with a ten-point surge, including three plays in which Supronowicz dribbled down the floor for easy layups, as Michigan defeated Columbia 66-49 at Madison Square Garden. Supronowicz"s single-game Wolverines scoring record was tied in 1956 by football Hall of Famer Ron Kramer. The Supronowicz brothers all played high school basketball in Schenectady.