Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of Niklas Kratzer Download this image Image ID: SIL-SIL14-k002-09 Supplied Caption: Portrait of Niklas Kratzer. Engraving by François-Jacques Dequevauviller, 1783-1848. After Hans Holbein, 1460-1524. Tag(s): mathematics, Astronomy, Kratzer, Niklas, 1487-1550 Collection(s): Scientific Identity Topic(s): Mathematics Download: Image No Copyright - United States Request copy of image How can I use this image?