Henry Kissinger is an influential diplomat celebrated for his work in international relations during the late 20th century. As U.S. Secretary of State and National Security Advisor, he played pivotal roles in shaping foreign policy under Presidents Nixon and Ford. Kissinger is particularly known for his role in establishing détente with the Soviet Union and for orchestrating the historic opening of diplomatic relations with China in 1972. His approach often emphasized realpolitik, balancing national interests with diplomatic negotiations. Despite criticisms regarding covert operations, his influence continues to resonate in contemporary diplomatic discussions.