National Museum of Nuclear Science & History
Charles Hensley worked for the United States Engineer District Office.
Franklin MacGregor served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
James A. Burns served in the 393rd Bombardment Squadron.
Elizabeth was a staff member at Los Alamos during the Manhattan Project. She may have been married to Claire C.
Hans von Halban (1908-1964) was an Austrian physicist. Being of Jewish descent, Halban left Austria in 1935 to avoid persecution by the Nazi regime.