C.A.B. Johnson

Frank C. Holden

Frank Holden was a member of the Special Engineering Detachment at Los Alamos. 

Neat A. Hutchins

Evelyn Dunbar

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

Cornelius M. Ridner

Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.