text:  It was by means of the Greeks who followed Sophia that Ivan was enabled to maintain a diplomatic intercourse with the other governments of Europe; it was from her that Russia received her imperial emblem the double-headed eagle; it was in her train that science taste and refinement penetrated to Moscow; it was probably at her instigation that Ivan embellished his capital with the beauties of architecture and encouraged men of science and amongst others Antonio "the heretic " and Fioraventi Aristotle the architect and mechanician to settle at Moscow