G. W. Reel

H.G. Ruppert

Richard L. Doan

Richard L. Doan was the Director of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Viola M. Vigil

Viola Vigil was a staff worker at Los Alamos during the Manhattan Project.

Howard R. Kratz

Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.