National Museum of Nuclear Science & History
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clair Tellefson was a staff worker at Los Alamos during the Manhattan Project.
Martin Webb was an American military officer. In 1944, Webb was assigned to the Manhattan Engineer District as an intelligence officer.
Robert W. Henderson was an American engineer. He attended the University of California School of Engineering.
