Henry Alfred Kissinger (May 27, 1923 – November 29, 2023) was an American diplomat and political scientist. He served as the 7th national security advisor from 1969 to 1975, followed by being the 56th United States secretary of state from 1973 to 1977. He served under presidents Richard Nixon and Gerald Ford.
Born in Germany, Kissinger emigrated to the United States in 1938 as a Jewish refugee fleeing Nazi persecution. He served in the U.S. Army during World War II. After the war, he attended Harvard University, where he excelled academically. He later became a professor of government at the university and earned an international reputation as an expert on nuclear weapons and foreign policy.