National Museum of Nuclear Science & History
Robert JS Brown was a member of the Special Engineer Detachment at Los Alamos. He worked under Don Hornig on the electrical aspects of detonation for the plutonium bomb.
Cronholm worked at the 100-F Area at Hanford during the Manhattan Project.
Halloran worked in the United States Engineer District Office.
M. K. Walden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
