National Museum of Nuclear Science & History
O. L. Koch worked for the Midwest Piping and Supply Company.
Evans worked at the Y-12 plant at Oak Ridge during the Manhattan Project.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
Brown worked in the United States Engineer District Office.
Fain worked in the United States Engineer District Office.