B. R. Lonsinger

P. E. Brooks

P. E. Brooks worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Myrtle E. Karcher

Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

I. O. Treece

Robert W. Thompson

Robert Thompson was a staff worker at Los Alamos during the Manhattan Project.