rafik baha ad-din hariri (; november 1, 1944 – february 14, 2005) was a lebanese billionaire and businessman. he was prime minister of lebanon from 1992 to 1998, and he became prime minister again in 2000. but in october 20, 2004, he quit his job. he helped a lot in rebuilding beirut, which was damaged from the fighting during the civil war.