National Museum of Nuclear Science & History
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.
H. L. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Moulton was an American chemical metallurgist. After receiving his bachelor’s degree in chemistry from Drury College, he began conducting research on radioactive metals at Iowa State.
