National Museum of Nuclear Science & History
John Tucker worked for the United States Engineer District Office.
Fry worked in the United States Engineer District Office.
Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Alvin Vanvessem was a member of the Special Enginner Detatchment (SED) at Los Alamos during the Manhattan Project.
