Charley Wacowski

Opal MacDonald

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Wallace Gray Stone

Wallace Stone worked for the Tennessee Eastman Corporation at the Y-12 Plant.

N.W. Rust

Joseph C. McGuire

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