Newly discovered handwritten notes show for the first time the Venetian physician Santorio Santorio (1561–1636), who invented the thermometer and helped lay the foundations for modern medical treatment, also played a key role in shaping our understanding of chemistry. Portrait of Santorio Santorio by Giacomo Piccini. Handwritten notes made by Santorio in a 1625 edition of his own book Commentaria in primam Fen primi libri Canonis Avicennae (A Commentary...
