During the Nixon administration, Henry A. Kissinger served as the Assistant to the President for National Security Affairs from January 1969 through the end of Nixon's presidency, acting as the chief architect of U.S. foreign policy. Throughout the White House taping period (February 1971 to July 1973), he was captured extensively on tape advising the president on pivotal events such as the secret opening to China, détente with the Soviet Union, and the negotiation of the Paris Peace Accords. In September 1973, shortly after the taping system was dismantled, Kissinger was additionally appointed as Secretary of State, holding both powerful positions simultaneously until Nixon's resignation in August 1974.

On July 12, 1973, President Richard M. Nixon, Walter Scheel, Henry A. Kissinger, and Heinz Weiber met in the Oval Office of the White House from 2:50 pm to 2:53 pm. The Oval Office taping system captured this recording, which is known as Conversation 949-004 of the White House Tapes.
On July 12, 1973, President Richard M. Nixon, Walter Scheel, and Henry A. Kissinger met in the Oval Office of the White House from 2:56 pm to 3:25 pm. The Oval Office taping system captured this recording, which is known as Conversation 949-005 of the White House Tapes.
On July 12, 1973, Rose Mary Woods, unknown person(s), President Richard M. Nixon, and Henry A. Kissinger met in the Oval Office of the White House from 4:48 pm to 5:09 pm. The Oval Office taping system captured this recording, which is known as Conversation 949-011 of the White House Tapes.
On July 12, 1973, Henry A. Kissinger, unknown person(s), Alexander M. Haig, Jr., Ronald L. Ziegler, President Richard M. Nixon, and White House operator met in the Oval Office of the White House at an unknown time between 8:22 pm and 8:44 pm. The Oval Office taping system captured this recording, which is known as Conversation 949-014 of the White House Tapes.