The Library of Alexandria

The Library of Alexandria was one of the most celebrated institutions of the ancient world, a centre of learning that came to symbolise the ambitions of Hellenistic civilisation. It was founded in the Egyptian city of Alexandria, which had been established by Alexander the Great, and it flourished under the rule of the Ptolemaic dynasty that governed Egypt after his death. The library was not an isolated building but formed part of a larger research complex known as the Mouseion, or 'shrine of the Muses', from which the modern word 'museum' is derived. Scholars believe that the institution was organised during the reigns of the first two Ptolemaic kings in the third century BC, though the precise details of its foundation remain uncertain. The rulers of Egypt in this period were Greek-speaking descendants of one of Alexander's generals, and they were eager to present their new capital as a worthy rival to the older cultural centres of the Greek world. Establishing a great library and research centre was one way of achieving this prestige, and it helped to attract talented individuals to the city.

The declared purpose of the library was extraordinarily ambitious: to gather together copies of every book that existed. The Ptolemaic rulers pursued this goal with considerable determination and resources. According to ancient accounts, agents were sent to markets and cities across the Mediterranean to purchase scrolls, and ships arriving at the busy harbour of Alexandria were reportedly searched for any books they carried. Works that were found would be copied by scribes, and in some cases the original was kept for the library while the copy was returned to the owner. Through such methods the collection grew rapidly, and ancient writers claimed that it eventually held hundreds of thousands of scrolls, although these figures cannot be verified and historians treat them with caution.

The books themselves took the form of papyrus scrolls rather than the bound volumes familiar today. Papyrus was manufactured from a reed that grew abundantly in the Egyptian marshes, which gave Alexandria a natural advantage in producing and storing written material. Because a single long work might occupy several scrolls, the organisation of the collection was a significant challenge. The scholar Callimachus is credited with compiling a vast catalogue known as the Pinakes, which listed authors and their works and is often regarded as an early ancestor of the modern library catalogue. Such tools made it possible for scholars to locate texts within an enormous and growing collection.

The library attracted many of the finest minds of the age, who were often supported financially by the Ptolemaic court and given the freedom to pursue their studies. Alexandria became associated with remarkable achievements in mathematics, astronomy, geography and medicine. The mathematician Euclid is traditionally connected with the city, and the scholar Eratosthenes, who served as head of the library, is famous for calculating the circumference of the Earth with impressive accuracy using observations of the sun. The concentration of scholars, texts and patronage in one place created conditions in which knowledge could be gathered, compared and advanced in ways that were rare in the ancient world.

The eventual fate of the library has become the subject of enduring legend, and its destruction is frequently imagined as a single dramatic event. The historical reality is almost certainly more complicated. One well-known episode occurred when Julius Caesar became involved in a conflict in Alexandria and a fire spread through part of the city; some ancient sources suggest that books were lost as a result. However, many historians argue that any such fire is unlikely to have destroyed the entire collection, and that the library continued to function afterwards in some form. It appears that the institution declined gradually over several centuries rather than vanishing at a single stroke.

A number of factors probably contributed to this slow decline. Political instability, reductions in royal funding, and the expulsion of scholars during periods of unrest all weakened the institution over time. The fragile nature of papyrus meant that scrolls had to be recopied regularly to survive, and once the resources and personnel needed for this work disappeared, the collection would inevitably have deteriorated. By the later centuries of the Roman period, the great library of the Ptolemies had effectively ceased to exist, though the memory of its ambition endured.

Today the Library of Alexandria is remembered less for what survives of it, which is almost nothing, than for the ideal it represents. Its aspiration to collect and preserve the whole of human knowledge in a single place has continued to inspire scholars, writers and institutions long after the physical library disappeared. In this sense the library has enjoyed a remarkable afterlife, existing in the imagination as a symbol of learning and of the fragility of the records on which civilisation depends.