National Museum of Nuclear Science & History
Trask worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Jas Penny, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James Hayse worked for the Midwest Piping and Supply Company.