National Museum of Nuclear Science & History
W. E. Young worked for the J.A. Jones Construction Company.
Creasy worked at the 200 East Area at Hanford during the Manhattan Project.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
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.