National Museum of Nuclear Science & History
E. S. Hoyle worked for the J.A. Jones Construction Company.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
Hester was a staff member at Los Alamos during the Manhattan Project.
Jose Salazar was a staff worker at Los Alamos during the Manhattan Project.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.