Len Dawson and Len Deighton are two different people. Len Dawson is a former American football quarterback who played in the National Football League (NFL) for 19 seasons, primarily with the Kansas City Chiefs. He was inducted into the Pro Football Hall of Fame in 1987. Len Deighton is an English author and historian best known for his spy novels. He has written over 30 books, including the popular 'Harry Palmer' series.