Adnan Oktar, also known as Adnan Hoca, Harun Yahya, is a Turkish religious cult leader, creationist, and conspiracy theorist. In 2007, he sent thousands of unsolicited copies of his book, The Atlas of Creation, which advocates Islamic creationism, to American scientists, members of Congress, and science museums. Oktar runs two organizations of which he is also the Honorary President: Bilim Araştırma Vakfı, which promotes creationism and Milli Değerleri Koruma Vakfı which works domestically on a variety of moral issues.
