Joseph H. Madden

Walter J. Grundhauser

Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Robert Van Gemert

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.

Perry A. Johnson

Perry Johnson worked for Clinton Laboratories at the X-10 Reactor.

Elmer M. Rubach