National Museum of Nuclear Science & History
Dale Babcock was a physical chemist and colleague of Crawford Greenewalt. Greenewalt took Babcock and a few other close DuPont colleagues with him into the new world of atomic energy.
N. J. Holland worked for the Roane-Anderson Company.
Marvin Davis was a part of the Military Police at Los Alamos. He was a mounted MP at the Trinity site before, during and after the famous test.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.