Al Renfrew was a hockey player (left wing) at the University of Michigan in the late 1940s and a college hockey coach with Michigan Technological University (1951–1956), the University of North Dakota (1956–1957), and the University of Michigan (1957–1973). 

http://www.umich.edu/~dekers/HOF/1965Renfrew.htm

http://quod.lib.umich.edu/b/bhl/x-bl003169/bl003169

http://www.michigandaily.com/sports/and-michigan-ruled-west-uncovering-roots-michigan%E2%80%99s-infamous-banner

http://en.wikipedia.org/wiki/Al_Renfrew