In the Museum was given, by lectures, conversation, or other appropriate methods instruction in all the various departments of human knowledge.

There flocked to this great intellectual centre, students from all countries.

It is said that at one time not fewer than fourteen thousand were in attendance.

Subsequently even the Christian church received from it some of the most eminent of its Fathers, as Clemens Alexandrinus, Origen, Athanasius.
The library in the Museum was burnt during the siege of Alexandria by Julius Caesar.

To make amends for this great loss, that collected by Eumenes, King of Pergamus, was presented by Mark Antony to Queen Cleopatra.