H. G. McGuire attended Iowa State College in 1920 or 1921. He was described as an original member of the Interstate Club according to J. R. Otis (1991).
Sources
Otis, J. R. “Little-known facts about F.D. Patterson.” (1991) In Frederick D. Patterson, Chronicles of faith: The autobiography of Frederick D. Patterson. Tuscaloosa: University of Alabama Press, pp. 187-89.