Harley L. Grimm

Ed Donohue

Lew Kowarski

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.

Floyd N. Stewart

Wayne L. Butcher