National Museum of Nuclear Science & History
J. J. Fritz worked for the Union Carbide & Carbon Corporation.
Seth I. Smith served in the First Ordnance Squadron.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
E. W. Webb served in the 390th Air Service Group.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
