National Museum of Nuclear Science & History
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
R. B. Smith worked for the Union Carbide & Carbon Corporation.
W. T. Hanson, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Malvena Gilman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
