National Museum of Nuclear Science & History
Sheets worked for Stone and Webster Engineering Corporation.
Andrew Kapral served in the 603rd Air Engineering Squadron.
Harry Daghlian (1921-1945) was an American physicist. He died in 1945 from radiation poisoning after a criticality accident at Los Alamos.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.