How did legendary football coach George Allen (1918-1990) consistently build winning teams at both the college and professional levels? This first full-length biography examines his applied philosophy of coaching through comprehensive coverage of his tenures at the collegiate level. His controversial relationships with team owners are detailed, along with his historic divorce from the Chicago Bears. The two most important plays of Allen's career are analyzed. Appendices provide a list of Allen's NFL trades, his key draft picks, a statistical breakdown of his NFL offenses and a comparison with other top coaches of his era.