William Madison "Matty" Bell was an American football player, coach of football and basketball, and college athletics administrator. He played for Centre, captain of its 1918 team. He served as the head football coach at the Haskell Institute (1920β1921), Carroll College in Waukesha, Wisconsin (1922), Texas Christian University (1923β1928), Texas A&M University (1929β1933), and Southern Methodist University, compiling a career college football record of 147β88β17. His 1935 SMU Mustangs, which have been recognized as a national champion, went 12β0 in the regular season before losing to Stanford in the Rose Bowl. Bell was also the head basketball coach at Texas Christian for six seasons from 1923 to 1929, tallying a mark of 71β41. He was inducted into the College Football Hall of Fame as a coach in 1955. After retiring from coaching following the 1949 season, Bell served as the athletic director at Southern Methodist until 1964. He died in 1983 in Dallas, Texas.