[1] In 1921, he purchased his first movie house in Grand Forks, North Dakota which evolved into a chain of 19 theaters.
[1] In 1947, he along with Morris Chalfen bought the Detroit Gems of the National Basketball League (NBL).
In the late 1950s, Berger was the owner and president of the minor league hockey team, the Minneapolis Millers.
[4] Mimi Ajzenstadt is the Mildred and Benjamin Berger Chair in Criminology at the Hebrew University of Jerusalem.
[5] In February 1988, Berger suffered a stroke and died a week later at Mount Sinai Hospital in Minneapolis.