Carl E. Crouthamel

Richard G. Jones

James Forde

James Forde joined the Manhattan Project in 1944 when he was hired by the Union Carbide and Carbon Company to work at the Nash Garage Building at Columbia University, where scientists worked on developing the gaseous diffusion process.

Helen Williams

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

W. R. Perret

W. R. Perret worked for the Tennessee Eastman Corporation at the Y-12 Plant.