Ewell Doak Walker II (January 1, 1927 – September 27, 1998) was an American football player. He played college football as a halfback at Southern Methodist University (SMU), where he won the Heisman Trophy in 1948. Walker then played professionally in the National Football League (NFL) with the Detroit Lions for six seasons, from 1950 to 1955. Walker was inducted into the College Football Hall of Fame in 1959 and the Pro Football Hall of Fame in 1986. The Doak Walker Award, awarded annually since 1990 to the top running back in college football, is named after him.