National Museum of Nuclear Science & History
J. R. Simpson worked for the Edenfield Electric Company.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fred Vaslow, a physical chemist, began working on the Manhattan Project while a graduate student at the University of Chicago.
Lockhart worked at the 100-B Area at Hanford during the Manhattan Project.
