Don A. Mauldion

Manuel L. Romero

Manuel Romero was a staff worker at Los Alamos during the Manhattan Project.

Celeste Hand

Celeste Hand was a switchboard operator at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Otho Carter

Walter J. Grundhauser

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