Under the pen-name Harun Yahya; Mr. Adnan Oktar who has authored some 300 books in 73 languages on political, faith-related and scientific issues which have been read by millions of people, exerting considerable influence on both Muslims and non-Muslims all over the world. More than 20 million people from 167 different countries visit Harun Yahya websites every month.
“The Royal Islamic Strategy and Research Center”, a research institution based in Jordan, publishes every year a book that includes the most influential Muslims of the year, with the cooperation of Georgetown University. In the work titled “The 500 Most Influential Muslims,” Mr. Adnan Oktar has taken place in Science and Technology category for four years. He was also declared by Reuters poll as a most influential Muslim in the world in 2009.