National Museum of Nuclear Science & History
R. H. Eichorn worked for the Roane-Anderson Company.
Howard Lange was the Curator in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Jack Rose was a machinist and armorer in the Special Engineering Detachment (SED) assigned to the 509th Composite Group in Wendover, Utah.