Joseph G. Barrett

Clyde Philip

Ruth Hoffberg

Ruth Hoffberg was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. R. Hardleben

Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.

E. B. Dutton

E. B. Dutton worked for the Tennessee Eastman Corporation at the Y-12 Plant.