Washington: Former Secretary of State Henry Kissinger died at his home in Connecticut on Wednesday (local time) aged 100, according to a statement from his consulting firm, Kissinger Associates. Kissinger is a prominent American diplomat, political scientist, and statesman who played a key role in shaping U.S. foreign policy during the Cold War era. Washington: Former Secretary of State Henry Kissinger died at his home in Connecticut on Wednesday (local time) aged 100, according to a statement from his consulting firm, Kissinger Associates. Kissinger is a prominent American diplomat, political scientist, and statesman who played a key role in shaping U.S. foreign policy during the Cold War era.