National Museum of Nuclear Science & History
Hensley worked for the Stone and Webster Engineering Corporation.
Richard Highsmith worked for the Roane-Anderson 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.
Samuel McNeight was a DuPont employee member who was a part of the team tasked with constructing the B Reactor at Hanford.