Dorothy M. Mobley

Earl K. Hyde

Earl K. Hyde was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L.M. Reith

H. M. Schenk

H. M. Schenk worked for the United States Engineer District Office.

Francis Bernard Donlan

Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.