Di Napoli peculiarly identified Mohammed with the Persian mathematician al-Khwarismi, Kieszkowski with Meir ben Todros Abulafia (a different figure from Abraham Abulafia, from whom Pico drew his revolutio alphabetariae). Pico's actual source is unknown. Writing to Ficino a few months before publication of the nine hundred theses, Pico spoke of letters in Arabic of this writer falling into his hands.
Farmer in Syncretism in the West: Pico's 900 Theses.