National Museum of Nuclear Science & History
Vanstrum began working on the Manhattan Project soon after receiving his engineering degree from the University of Minnesota.
Robert E. Armstrong was a staff member at Los Alamos during the Manhattan Project.
Lew Kowarski was a Russian-born French physicist. He worked as part of the team that discovered that neutrons were emitted in the fission of uranium-235 in the 1930s, setting the groundwork for the use of nuclear chain reactions in the design of the atomic bomb.
