National Museum of Nuclear Science & History
John L. Kuranz (1921-1995) was an American engineer, physicist, and inventor. During the Manhattan Project, Kuranz was a member of the Special Engineer Detachment at the University of Chicago Met Lab.
Leander J. Baur served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator regularly assigned first to Luke the Spook and later to Big Stink.
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.