National Museum of Nuclear Science & History
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.
O'Brien worked for Stone and Webster Engineering Corporation.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
William E. Young served in the 393rd Bombardment Squadron.
