National Museum of Nuclear Science & History
Jas Ellis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O'Connor worked for Stone and Webster Engineering Corporation.
Calhoun worked at the 300 Area at Hanford during the Manhattan Project.
Boaz worked at Los Alamos during the Manhattan Project.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.