National Museum of Nuclear Science & History
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Aaron Novick was a physical chemist at various Manhattan Project sites, including the University of Chicago, Hanford, Washington, and Los Alamos, New Mexico.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.