http://clemsontigers.cstv.com/sports/m-footbl/spec-rel/082908aae.html

Clemson’s Frank Howard, a 1931 Alabama graduate served as the Tigers head coach from 1940-69 and he remains the school’s all-time leader in victories with 165. Alabama’s Bear Bryant, a 1934 graduate at Alabama, coached Alabama from 1958-82 and is the all-time leader in victories among Crimson Tide head coaches with 232. They are two of the 20 coaches in Division I history to coach at the same school for at least 25 years.