National Museum of Nuclear Science & History
Joan Elizabeth Curran (1916-1999) was a Welsh physicist. Curran was born in Swansea, Wales. During World War II, she worked on Operation Windows, where she invented the “chaff,” a technique which could disrupt enemy radar.
Betsy Stuart worked as a secretary for the electrical engineering department at Hanford. Her husband, Charles F.
Ted C. Irwin served in the 393rd Bombardment Squadron.
