Russell S. Hallett

Philip C. McKenna

Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Regina “Reggie” Behl

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

Leo F. Hengstenberg

Max Dubin

Dubin worked in the United States Engineer District Office.