Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of Johann Praetorius Download this image Image ID: SIL-SIL14-p006-01 Supplied Caption: Portrait of Johann Praetorius. Engraving by Wolfgang Philip Kilian, 1654-1732. After Wolfganag Philip Kilian, 1654-1732. Tag(s): mathematics, Praetorius, Johannes, 1537-1616 Collection(s): Scientific Identity Topic(s): Mathematics Download: Image No Copyright - United States Request copy of image How can I use this image?