National Museum of Nuclear Science & History
Alvin Vanvessem was a member of the Special Enginner Detatchment (SED) at Los Alamos during the Manhattan Project.
Robert Hackett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ray Sheehan worked for the United States Engineer District Office.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
