Joan Clarke Murray codebreaker at Bletchley Park during World War II, became deputy head of Hut 8 in 1944. Code breaking was almost exclusively done by men during the war. Clarke was paid less than the men and felt that she was prevented from progressing further because of her gender. She was a English cryptanalyst and numismatist ~
Lillian Yonally (above) was a WASP – a Women Airforce Service Pilot. During WWII, the 1,100 WASPs flew military aircraft on training flights in the USA to train volunteer male pilots for combat missions.