National Museum of Nuclear Science & History
Jas McCarthy worked for the Kellex Corporation at the K-25 Plant.
Harvey B. Lemon (1885-1965) was a consultant to the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.
