Bust of Aristotle. Marble, Roman copy after a Greek bronze original by <a href="//commons.wikimedia.org/wiki/Lysippos" class="mw-redirect" title="Lysippos">Lysippos</a> from 330 BC; the alabaster mantle is a modern addition.
Attribution
<a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a> March 2005