Ahmad ibn ‘Ali ibn Yusuf al-Buni (died 1225) was a well-known Sufi and writer on the esoteric value of letters and topics relating to mathematics, sihr (sorcery), and spirituality, but very little are known about him. Al-Buni lived in Egypt and learned from many eminent Sufi masters of his time. He wrote one of the most famous books of his era, the Shams al-Ma'arif al-Kubra (Sun of the Great Knowledge, Arabic ) which is one of the most widely read medieval treatises on talismans, magic squares, and occult practices.
أحمد بن علي بن يوسف البوني المالكي (بحدود 520 هـ - 622 هـ) صوفي وكاتب جزائري. ولد في مدينة بونة (عنابة) بالجزائر وعاش في مصر وتوفي بالقاهرة. كتبه كانت تستعمل حتى القرن الواحد والعشرين منهم سر الحكم وشمس المعارف الكبرى.