Harold F. Seaman

H. Lanz, Jr.

K. G. Frese

K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph Kouba

Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Harris Small

Harris Small was stationed in Oak Ridge, Tennessee, in the Special Engineer Department (SED). He served as a supervising civilian operator of shifts (the Calutron girls) at the Y-12 Electromagnetic Separation Plant.