National Museum of Nuclear Science & History
Day worked for Stone and Webster Engineering Corporation.
Ernest Wende was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
George C. Hollowwa was a member of the Army Air Corps and a weapons expert. During and after World War II, he was involved in the assembly and testing of atomic weapons.
Frank E. Nicola served in the 603rd Air Engineering Squadron.