Ed F. Schwartz

Thomas E. Hall

Douglas Paul Meigs

Douglas Meigs was a civilian chemical engineer working for H. K. Ferguson, the company that built and operated the S-50 Thermal Diffusion facility at Oak Ridge.

Haydn Jones

Haydn Jones was a research assistant in the Physics Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. T. Ledford

H. T. Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.