 He is the most successful coach in Columbia basketball history.Rohan was also a full professor and chairman of the department of physical education.Rohan attended Columbia from 1949 to 1953, and was a member of the famous 1950/51 team under coach Lou Rossini that went undefeated through its regular season, winning all 22 of its games and capturing the Ivy League title with a 12–0 mark.