National Museum of Nuclear Science & History
Popovi Da was the son of Pueblo potter Maria Montoya Martinez and a veteran of the Manhattan Project.
Melvin S. Friedman was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.