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Abu Bakr al-Razi, a 9th-century Persian physician, significantly impacted medical education in the Latin West. His voluminous medical encyclopedia, "Kitab al-Hawi" (The Comprehensive Book), was translated into Latin as "Continens" and served as a primary medical textbook in European universities for centuries. Al-Razi's systematic approach to medicine, emphasizing clinical observation and experimentation, left a lasting legacy on Western medical thought and practice.