National Museum of Nuclear Science & History
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
Brockman was at Los Alamos during the Manhattan Project.
Dieter Kurath was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Eugene Reybold (1884-1961) was a Lieutenant General and Chief of Engineers in the US Army. He was involved in the early stages of the Manhattan Project.