Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of Johann Daniel Titius Download this image Image ID: SIL-SIL14-t003-02 Supplied Caption: Portrait of Johann Daniel Titius. Etching and engraving by J. S. L. Halle, 18th C. After Benjamin Calau, 1724 - 1785, 1770. Tag(s): mathematics, physics, Titius, Johann Daniel (1729-1796) Collection(s): Scientific Identity Topic(s): Mathematics Download: Image No Copyright - United States Request copy of image How can I use this image?