Charles Max Mason (October 26, 1877 – March 23, 1961), better known as Max Mason, was an American mathematician. Mason was president of the University of Chicago (1925–1929) and president of the Rockefeller Foundation (1929–1936).Mason's mathematical research interests included differential equations, the calculus of variations, and electromagnetic theory.
Played an audience member enjoying a comedian's performance in a public information film warning of the problems of hearing loss caused by not wearing ear protection at work.