Athir al-Din al-Abhari
Athīr al-Dīn al-Mufaḍḍal ibn ʿUmar ibn al-Mufaḍḍal al-Samarqandī al-Abharī (Persian): اثیرالدین مُفَضَّل بن عمر بن مَفَضَّل سمرقندی ابهری; d. 1262 or 1265 also known as Athīr al-Dīn al-Munajjim (اثیرالدین منجم) was an Iranian Muslim polymath, philosopher, astronomer, astrologer and mathematician. Other than his influential writings, he had many disciples.