National Museum of Nuclear Science & History
Marte Previti was a part of the Alsos Mission, a Manhattan Project effort in Europe to discover the progress of the German atomic project.
W. M. Mathis worked for Clinton Laboratories at the X-10 Reactor.
Judson Taylor was a staff worker at Los Alamos during the Manhattan Project.
D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.