National Museum of Nuclear Science & History
Butler worked at the 300 Area at Hanford during the Manhattan Project.
L. G. Henry worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert J. Moon (1911-1989) was a physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project and a signer of the Szilard petition.
Walter Youngs, Jr. worked for the United States Engineer District Office.