National Museum of Nuclear Science & History
L. R. Zumwalt worked for the United States Engineer District Office.
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.
C. E. Center worked for the Union Carbide & Carbon Corporation.
L. A. Waddell worked for the Roane-Anderson Company.
