Hermann of Carinthia was a contemporary of Gerard of Cremona, but he made a different choice. Instead of translating texts in the safety of conquered Toledo, Hermann traveled to the Islamic world itself---to observatories where Arab astronomers were practicing their craft. He didn't just want to read about the stars; he wanted to stand beside masters and learn their methods firsthand. In an era of Crusades, Hermann crossed enemy lines as a student, seeking teachers. He brought back to Europe not just what Islamic astronomers knew, but how they knew it---the living practice that can only be transmitted person to person. This is a story about knowledge that requires relationship, about the courage to be taught, and about wisdom that lives in people, not just in books.

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