5. Paul Brown (1946-1975) was coach and executive in the All-America Football Conference and NFL. Brown was both the co-founder and first coach of the Cleveland Browns, a team named after him, and later played a role in founding the Cincinnati Bengals. His teams won seven league championships in a professional coaching career spanning 25 seasons. Brown became head coach of the Browns after World War II. He won all four AAFC championships before joining the NFL in 1950. Brown coached the Browns to three NFL championships in 1950, 1954 and 1955 but was fired in January 1963 amid a power struggle with team owner Art Modell. Brown in 1968 co-founded and was the first coach of the Bengals. He retired from coaching in 1975 but remained the Bengals' team president until his death in 1991. The Bengals named their home stadium Paul Brown Stadium in honor of Brown. He was inducted into the Pro Football Hall of Fame in 1967. Brown is credited with a number of American football innovations. He was the first coach to use game film to scout opponents, hire a full-time staff of assistants, and test players on their knowledge of a playbook. He invented the modern face mask, the taxi squad and the draw play. He also played a role in breaking professional football's color barrier, bringing some of the first African-Americans to play pro football in the modern era onto his teams