Alexander Haig was a prominent American military officer and statesman. He served as the Chief of Staff for Presidents Nixon and Ford, playing a crucial role during key moments in U.S. history such as the Watergate scandal and the transfer of power after Nixon's resignation. Later, Haig became the Secretary of State under President Reagan, where he was known for his strong leadership and diplomacy. Haig's career also included military service in World War II and the Korean War, showcasing his dedication to public service and national security throughout his life.