James R. McGuffey

Helen E. Krinek

Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L. G. Ahrens

L. G. Ahrens worked in the 100-B Area at Hanford during the Manhattan Project.

Lawrence L. Rosenburg

Lawrence Rosenburg was a staff worker at Los Alamos during the Manhattan Project.

Homer L. Allison