Mahoney, John Friend
- Jon M. Harkness
Mahoney, John Friend (01 August 1889–23 February 1957), medical researcher and public health administrator, was born in Fond du Lac, Wisconsin, the son of David Mahoney, a locomotive engineer, and Mary Ann Hogan. He graduated from public high school in Fond du Lac in 1908 and worked for a year as a truck farmer before enrolling at Milwaukee University, from which he received an S.B. in 1910. He then undertook medical studies at Marquette Medical College in Milwaukee and earned an M.D. in 1914....