In the first two-thirds of the 20th century many thinkers with dubious backgrounds - [as in they were not established upon the aqidah of Ahl al-Sunnah wal-Jamaa'ah and had certain influences in their lives from either non-Islamic nurturings or heretical beliefs and practices, such as Sufism] - emerged having been poisoned with Socialist-Marxist-Communist philosophies and concepts and incorporated them as methodologies of reform for their particular lands (or as global methodologies), often borrowing wholesale and just "islamifying" the concepts and terminology (as occurred with Qutb, see this article). Thus, we have the "Imamate" of Mawdudi (using the political party to effect change) or the mass-populist revolution to effect unity and thereby social and political change (Hasan al-Banna) or the revolutionary vanguard, and closely-knit elite group who stage a coup, an overthrow (Sayyid Qutb), or the very tightly-knit, elite, intellectual political party that creates an intellectual, ideological revolution before setting the stage for an overthrow (al-Nabahani, combining Mawdudi and Qutb).