Pius II

Pope Pius II (18 October 1405 – 14 August 1464), born Enea Silvio Bartolomeo Piccolomini, was Pope from 1458 to his death. He was a noted Renaissance humanist and the author of numerous writings.

In 2012, the Assassin Shaun Hastings kept a portrait of Pius at his work station while researching the Renaissance Papacy.

Reference

 * Assassin's Creed II