Material relating primarily to his work with the Atomic Energy Commission (1971-1973), the Department of Defense (1973-1975), and the Department of the Army (1975-1977). In addition to documents on atomic energy and national security matters, the collection contains information on agency legal matters, the honor code at the U.S. Military Academy, and the work of James Schlesinger (initially as AEC administrator and later as Secretary of Defense). The collection also concerns Hoffmann’s later work (1988) on the Defense Secretary’s Commission on Base Realignment and Closure.