1766231 Portrait of Zacharias Jansen, 1655 (engraving) by Meurs, Jacob van (c.1619-a.1680); 18.8x14 cm; Rijksmuseum, Amsterdam, The Netherlands; (add.info.: Portrait (after Hendrick Berckman) of Zacharias Jansen (1585-1632/8) who was a spectacle maker, sometimes counterfeiter, possible inventor of the Microscope and the Telescope. Dutch eye glass maker, Zaccharias Janssen experimented with multiple lenses placed in a tube and observed that viewed objects in front of the tube appeared greatly enlarged, creating both the forerunner of the compound microscope and the telescope.); Dutch, out of copyright.