Colle was a graduate of the California College of Pharmacy, and a practicing pharmacist
in San Francisco. He published papers in the Journal of the American Registered
Pharmacist's Association, later called American Pharmacist, the
Australian Journal of Pharmacy, and the Detroit Retail Druggists
Association Bulletin. He also wrote two books, Heritage of Pharmacy in
Asia, (2 v., c.1946), and Social and Cultural Aspects of Pharmacy(2 v., c.1942).