National Museum of Nuclear Science & History
Martin M. Whitaker was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.