National Museum of Nuclear Science & History
Asa Swain worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. S. Mantooth worked for the Tennessee Eastman Corporation at the Y-12 Plant.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.