Effa Manley

Effa Manley was an American sports executive who co-owned the Newark Eagles baseball franchise in the Negro Leagues with her husband Abe from 1935 to 1946, and was sole owner through 1948 after his death. Throughout that time she served as the team's business manager, and also fulfilled many of her husband's duties as treasurer of the Negro National League; (March 27 1897 - April 16 1981).