Charles E. Frohn

A. Frei

Frei worked for Stone and Webster Engineering Corporation.

Herbert M. Hutcheson

Connie Johnson

Connie Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Julius “Osty” Ostapowicz

Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.