Muhammad ibn Abd al-Wahhab
(c.1702 - c.1791) - Arabia
(An
early proponent for purging Islam of impurities and innovations.
Supported by Saud.)
Sayyid Qutb (1906-1966) - Egypt
(Considered by
many as the father of modern Islamic Fundamentalism. His writings
have become the theoretical basis for many radical Islamic groups of
today -- including al Qaeda)
Ayatollah Ruhollah al-Khumayni
(1902-1989) - Iran
Abu al-'Ala al-Mawdudi (1903-1979) -
India/Pakistan