Whether you are drawn to Cristofano dell'Altissimo's exotic "Portrait of Alchitrof, " king of Ethiopia (1580s), a fringe of pearls hanging from his lower lip, to Peter Paul Rubens's magnificently aristocratic "Head of an African Man Wearing a Turban" (c.1609), or to the startlingly lifelike ebonized and giltwood statue of St.

WSJ: Less Familiar Faces | Revealing the African Presence in Renaissance Europe | Princeton University Art Museum | By Barrymore Laurence Scherer