IN AN OLD MANUSCRIPT BY EBENEZER SIBLY M.D. 1791 A letter from Michael Sendivogius to Vincenzo II Gonzaga, duke of Mantua (1562-1612) The 16th Century Alchemist Who Discovered Oxygen TRANSMUTATION, an episode of the podcast Stories From The Eastern West all about Sendivogius and alchemy in the Middle Ages Works by Michael Sendivogius in digital library Polona Clan of Ostoja 16th-century Polish nobility 1566 births 1636 deaths 16th-century alchemists 17th-century alchemists Jagiellonian University alumni People from Limanowa County Polish chemists 17th-century Polish philosophers Polish alchemists Polish inventors 17th-century Polish nobility