National Museum of Nuclear Science & History
Samuel Paiz was a staff worker at Los Alamos during the Manhattan Project.
Juan de Jesus Trujillo was a staff worker at Los Alamos during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
William A. Hichler was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. A. Jones worked for the Roane-Anderson Company.