Here’s how it works. The famous library of Alexandria, Egypt, was one of the most important repositories of knowledge in the ancient world. Built in the fourth century B.C., it flourished for ...

Statue of Demetrius of Phalerus in the present-day Alexandrian Library / photo Pakeha on Wikimedia Commons Some consider Demetrius, who was a disciple of Aristotle, as the first librarian of ...