Peter Paul Rubens, Flemish Baroque artist, 1609 (1956).

Peter Paul Rubens, Flemish Baroque artist, 1609 (1956). A self portrait of Rubens (1577-1640 and his first wife, Isabella Brant. Rubens is considered by many to be one of the greatest painters in European art history, a master of the Baroque style and the most important Flemish painter of the 17th century. From The Alte Pinakothek, Munich. A print from People, a volume about the origin and early history of many things, common and less common, essential and inessential, by Readers Union, the Grosvenor Press, London, 1956. (Photo by The Print Collector/Print Collector/Getty Images)