National Museum of Nuclear Science & History
Tom Norvelle served in the Army at Los Alamos during the Manhattan Project.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
John Raper worked for Clinton Laboratories at the X-10 Reactor.
Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
