National Museum of Nuclear Science & History
J. Powell worked for the Union Carbide & Carbon Corporation.
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.
Joseph Murray was a staff worker at Los Alamos during the Manhattan Project.
Charles White worked for the United States Engineer District Office.
