National Museum of Nuclear Science & History
Sayers worked for Stone and Webster Engineering Corporation.
McGruder worked for Stone and Webster Engineering Corporation.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Referred to as G. E. Morthole in the 1945 Hanford directory and as G. E. Morthol in the 1944 directory.