G. Sanborn

Rozel E. Curtis

Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ramon Charleville

Helen Williams

Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Paul Sperling

Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.