Alexander the Great in the Quran rhetorical type depending on the Cleitarchus tradition, and with this he amalgamated a collection of imaginary letters derived from an "Epistolary Romance of Alexander" written in the first century B.C. He also included two long letters from Alexander to his mother Olympias and his tutor Aristotle describing his marvellous adventures in India and at the end of the World. These are the literary expression of a living popular tradition and as such are the most remarkable and interesting part of the work. The Greek variants of the "Alexander romance" continued to evolve until, in the 4th century, the Greek legend
Alexander the Great in the Quran evidence, in the form of ancient coins, to identify the Arabic epithet "Dhul-Qarnayn" with Alexander the Great. Finally, ancient Christian Syriac and Ethiopic manuscripts of the "Alexander romance" from the Middle East have been found which closely resemble the story in the Quran. This leads to the theologically controversial conclusion that Quran refers to Alexander in the mention of Dhul-Qarnayn. The literal translation of the Arabic phrase ""Dhul-Qarnayn,"" as written in the Quran, is "the Two-Horned." Alexander the Great was portrayed with two horns in ancient Greek depictions of Alexander: It is well known that already in his own time