National Museum of Nuclear Science & History
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Miesenheimer (spelling could also be “Misenheimer”) worked in the 100 B Area at Hanford during the Manhattan Project.
Elizabeth V. Davis worked at the Los Alamos National Laboratory. She worked in SP-4 of Norris Bradbury’s division purchasing nuclear supplies from 1947 to 1957.