Helmut Sonnenfeldt

Helmut Sonnenfeldt (September 13, 1926 – November 18, 2012), also known as Hal Sonnenfeldt, was an American foreign policy expert. He was known as ''Kissinger’s Kissinger'' for his philosophical affinity with and influence on Henry A. Kissinger, the architect of American foreign policy in the Nixon and Ford administrations.

He was a veteran staff member of the United States National Security Council, and held several advisory posts in the U.S. government and the private sector. Later in life he was a visiting scholar at the Johns Hopkins School of Advanced International Studies and a guest scholar at the Brookings Institution. Provided by Wikipedia