Le Duc Tho and Henry Kissinger during peace talks on the Vietnam War in Paris, France, on 24 January 1973.

Photo: Daily Express/Stringer via Getty Images

Secretary of State Henry Kissinger in a meeting with President Richard Nixon, Vice President-Designate Congressman Gerald Ford and Chief of Staff Alexander Haig, Jr in the Oval Office of the White House in Washington, DC, 13 October 1973.

Photo: The Nixon library. Public domain, via Wikimedia Commons

Henry Kissinger in his office. (Photo taken 24 January 1978.)

Copyright © Bernard Lee Schwartz Foundation 1978 Photo: Bern Schwartz