National Museum of Nuclear Science & History
Jack Rose was a machinist and armorer in the Special Engineering Detachment (SED) assigned to the 509th Composite Group in Wendover, Utah.
John von Neumann was a Hungarian-American mathematician, physicist, and polymath. A child prodigy, by the age of eight he was familiar with calculus and knew Ancient Greek.
Gilbert P. Church was a civil engineer and Project Manager at the Hanford site during the Manhattan Project.