Joseph Paul Fitzgibbon (March 21, 1903 â March 12, 1975) was an American professional football player who was a wide receiver for six seasons for the Duluth Eskimos, Frankford Yellow Jackets, Chicago Cardinals, and Green Bay Packers. Following his football career Paul Fitzgibbon became a neurologist and later one of the seven founding members of the Permanente Medical Group, now Kaiser Permanente.