Harmon was the head coach for the Gonzaga Bulldogs men's basketball team from 1913 to 1915. He recorded a 10–4 (.714) record during his two seasons.[1]
Harmon was a graduate of the Loyola University Chicago School of Law and did graduate work at the University of Chicago and the University of Michigan. While he was coaching at Gonzaga, Harmon also practiced law with the offices of Luby and Pierson. At Santa Clara, he taught law as a member of the faculty. In 1930, Harmon passed the Illinois state bar and began a law practice in Jacksonville, Illinois.[4]