Circa 1520 Protestant reformer Martin Luther a leading figure in the Reformation
{"Image ImageDescription": "An engraving of a 16th Century cleric, from 'Portrait of a Divine' - a painting by an unknown German artist in the Royal Collection at Windsor, circa 1520-1560. The subject is thought to be the English church leader, John Stokesley. Until the 1920s, the painting, was erroneously attributed to Hans Holbein the Younger and wrongly thought to be a portrait of German theologian Martin Luther.  (Photo by Stock Montage/Getty Images)"}