Ayatollah Ruhollah Musavi Khomeini was a highly influential Islamic political theorist and leader of the 1979 Iranian Revolution that overthrew the Shah. He lived from 1900 to 1989. As the founder and leader of the Islamic Republic of Iran, he developed the theory of velayat-e faqih which holds that Islamic jurists should have ultimate political authority. The document discusses Khomeini's early life and education, his time in exile from 1962-1979 where he wrote influential works and solidified his political views, and his role in founding the Islamic Republic after the 1979 revolution where he became Iran's first Supreme Leader.