P. E. Lowry

John E. Cerutti

Thomas R. Williams

Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

S. A. Gilgon

S. A. Gilgon worked for the Roane-Anderson Company.

Conce Vigil

Conce Vigil was a staff worker at Los Alamos during the Manhattan Project.