National Museum of Nuclear Science & History
Arthur C. Wahl (1917-2006) was an American chemist. After receiving his Ph.D. from the University of California, Berkeley in 1942, Wahl was recruited by J.
Cartmell worked at the 300 Area at Hanford during the Manhattan Project.
Nelen Supert was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lyda Speck served in the Women’s Army Corps at Los Alamos during the Manhattan Project. She later remembered “how tight the security was.