Geraldine Hoff Doyle, was a 17 years (in 1942) while she was working at the American Broach & Machine Co. when a photographer snapped a pic of her on the job. That image used by J. Howard Miller for the “We Can Do It!” poster, released during World War II.
The first player to be inducted into the Hall of Fame from the Negro leagues, Leroy "Satchel" Paige. He played on the Negro Leagues for over 20 years. At the age of 42, Paige became the oldest rookie ever when he joined the Major League.