National Museum of Nuclear Science & History
Alexander Klementiev was born in Moscow in 1942 and grew up in the Soviet Union during the Cold War. As a student, he attended the Moscow Institute of Physics and Technology, where he studied radio physics and earned his Ph.
C. D. W. Thornton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank Tartaglia was a staff worker at Los Alamos during the Manhattan Project.