John M. Purdum

Regina “Reggie” Behl

Regina “Reggie” Behl (1922-2011) was an art teacher in Oak Ridge, Tennessee during the Manhattan Project.

Walter R. Julek

Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

D. C. Keck

Franklin V. Summers

Franklin Summers worked for the United States Engineer District Office.