The Yost Field House was built in 1923 for indoor track events and intercollegiate sports by Smith, Hinchman and Grylls, of Detroit. It was named after athletic director and coach Fielding Yost. The Field House was remodeled in November of 1973 and renamed the Yost Ice Arena.
http://umhistory.dc.umich.edu/mort/athletic/Yost%20Fieldhouse/index.html