National Museum of Nuclear Science & History
Gonzalo Williams was a staff worker at Los Alamos during the Manhattan Project.
B. Speyers worked for the Union Carbide & Carbon Corporation.
J. F. McComb, Jr. worked for the Bethlehem Steel Corporation.
Howard R. Kansella served in the 1st Ordnance Squadron.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
