Hassan al-Turabi (1 February 1932 – 5 March 2016) was a Sudanese politician and scholar. He was the alleged architect of the 1989 Sudanese military coup that overthrew Sadiq al-Mahdi and installed Omar al-Bashir as president. He has been called "one of the most influential figures in modern Sudanese politics" and a "longtime hard-line ideological leader". He was instrumental in institutionalizing Sharia (Islamic law) in the northern part of the country and was frequently imprisoned in Sudan, but