Bartholomew J. Hopkins

Joseph C. McGuire

Joseph Mcguire was a chemist with the Special Engineering Detachment at the Y-12 Plant in Oak Ridge, Tennessee.

Dwight Smith Young

Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.

Glenn S. Blackburn

John G. Lauris