Richard Vincent Allen was an American government official who served as the National Security Advisor to President Ronald Reagan. His tenure from 1981 to 1982 was marked by a staunchly anti-Soviet stance and a focus on rebuilding American military and economic strength. Before his White House role, he held various positions in Republican administrations and think tanks, including the Hoover Institution. After leaving the administration, he became a private consultant and remained an influential voice on foreign policy.