National Museum of Nuclear Science & History
Antonio Quintana was a staff worker at Los Alamos during the Manhattan Project.
T. R. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
E. Lander worked for the Roane-Anderson Company.