Hypatia was a learned woman who taught astronomy and pagan philosophy at Alexandria. She was murdered by an angry Christian mob.
Citation:
Bouchard, Elsa. "Murder of Hypatia".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11579, accessed 18 May 2013.]