National Museum of Nuclear Science & History
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Lawrence Bartell was born in Ann Arbor, Michigan on February 2, 1923. In 1944, after completing his studies at the University of Michigan, Bartell joined Glenn Seaborg's uranium research team.