E. E. Swensson

Orland J. Koenig

Roy Loebe

Roy Loebe worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Paul Sperling

Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.

Edward J. Fredrick

Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.