Robert L. Kukler

R. G. Humphries

R. G. Humphries worked for the United States Engineer District Office.

Martin V. Wieszczyk

Walter J. Grundhauser

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

Judd Taylor

Judd Taylor was a staff worker at Los Alamos during the Manhattan Project.