You have never heard of this Iraqi scholar. This link is from a few years ago. He is one of the greatest scholars of classical Islamic philosophy and thought, on the level of Mohsin Mahdi. He was the expert on Ibn Riwandi (the famous free thinker atheist in the golden age of Islamic civilization), and graduated in 1972 from Cambridge University. He left Iraq after the American invasion and came to the US but could not find a job here. He did not have the right politics otherwise, Harvard would have offered him a chair in his name. American academia is more political than the US Congress.