National Museum of Nuclear Science & History
Max Wishnefski worked for the United States Engineer District Office.
Henry Howard Roerkohl was commissioned as a 2nd lieutenant in the QM Corps Reserve on Jan 16, 1940. On Nov 9, 1942 Howard was transferred to the Northwest Service Command (NWSC), located in Whitehorse, Canada in the Yukon Territory.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
Long worked for Stone and Webster Engineering Corporation.