National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Carl Leonard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert van Gemert worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
W. F. Johnson worked for the J.A. Jones Construction Company.
Nederhood worked at the 300 Area at Hanford during the Manhattan Project.