National Museum of Nuclear Science & History
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
Ralph Carlisle Smith was born in 1910 in New York. He co-authored Project Y: The Los Alamos Story, with David Hawkins and Edith Truslow.
Attended the Cooper Union for the Advancement of Science and Art.
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
