National Museum of Nuclear Science & History
J. R. Brand worked for Clinton Laboratories at the X-10 Reactor.
Earl Long was an American chemical physicist. He served as director of the University of Chicago Institute for the Study of Metals.
Evelyn Brown was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.