National Museum of Nuclear Science & History
John Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Burr H. Ritter was a chemical engineer at the Hooker Chemical Company in Niagara Falls, New York during the Manhattan Project.
Tranquilino Armigo was a staff member at Los Alamos during the Manhattan Project.
Groft worked at the 300 Area at Hanford during the Manhattan Project.
Robert P. Matthews worked as a member of Project Alberta, the team that transported and assembled the Fat Man and Little Boy atomic bombs.