ʿAlī b. Riḍwān
علي بن رضوان
Cali Ibn Ridwan was an Egyptian Muslim physician, astrologer, and astronomer. He is best known for his medical writings and his commentary on Ptolemy's work. Among his notable contributions is an explanation of a supernova that appeared in the year 1006, which is one of the earliest detailed observations in astronomy. His medical treatise, 'The Book of the Preservation of Health', was a significant work that emphasized the influence of the environment on health, advocating for preventive measure...
Cali Ibn Ridwan was an Egyptian Muslim physician, astrologer, and astronomer. He is best known for his medical writings and his commentary on Ptolemy's work. Among his notable contributions is an expl...