Hypatia was the last recorded member of the great museum of Alexandria and the only noted woman scholar of ancient times. She taught Neoplatonism and helped to demonstrate Euclid’s ideas. She was a pagan.
Isaac Asimov’s Book of Facts, 1979.
Euclid, who opened a school of mathematics at Alexandria, in the reign of the first Ptolemy, was once asked by that sovereign whether he could not explain his art to him in a more compendious way; to which Euclid made the celebrated answer, that there was no royal road to geometry.