Mrs. Louise Ruotolo

Mary M. Fair

Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.

Stafford L. Warren

Stafford Leak “Staff” Warren was a Colonel in the Army Medical Corps and the Chief Medical Officer of the Manhattan Engineer District (MED).

M. E. Houser

Larue E. Tinsley

Larue Tinsley served in the Army at Los Alamos during the Manhattan Project.