Fifteenth-century Turkish scholar, Sufi and translator; younger brother of Yazıcıoğlu Mehmed, author of the Muhammediyye. A Bayramî dervish initiated under Hacı Bayrâm-ı Velî, he is best known for Envârü'l-âşıkīn (1446-1451). His death date is uncertain (857/1453 or 859/1455); he died in Gelibolu. His own tomb stands beside his brother's mosque and cemetery (today Yazıcıoğlu Park). (Sources: TDV İslâm Ansiklopedisi 'Ahmed Bîcan' & 'Ahmed Bîcan Türbesi'; teis.yesevi.edu.tr)