Caption:
Iris Louise McPhetridge Thaden (November 12, 1905 - November 9, 1979) was an American aviatrix. In 1929, she became the first pilot to hold the women's altitude, endurance and speed records in light planes simultaneously. Thaden was a friend and rival of Amelia Earhart, Pancho Barnes, Opal Kunz, and Blanche Noyes. In 1929, she won the Women's Air Derby. In 1930, she helped found an international organization for women pilots called the Ninety-Nines. In 1936, she won the Bendix Trophy Race in the first year women were allowed access to compete against men. She retired from competition in 1938.