National Museum of Nuclear Science & History
Glenn Sprankle worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ray Williams was a member of the 1st Ordnance Squadron in the 509th Composite Group in Wendover, Utah and on Tinian Island in the Pacific in 1945.
Donald Francis Mastick was an American chemist who worked at Los Alamos and on Tinian as part of Project Alberta.