National Museum of Nuclear Science & History
Bergen McCormick worked for the J.A. Jones Construction Company.
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.
Halm worked at the 300 Area at Hanford during the Manhattan Project.
