XEE1219168 Galileo Galilei (engraving) by Leoni, Ottavio (1587-1630) (after); Private Collection; (add.info.: Galileo Galilei (15 February 1564 ??8 January 1642), often known mononymously as Galileo, was an Italian physicist, mathematician, engineer, astronomer, and philosopher who played a major role in the scientific revolution during the Renaissance. ); Stefano Bianchetti; Italian, out of copyright.