Greg Downing specializes in panoramic and computational photography techniques. His photographic work has been displayed in some of the nations most prestigious museums including the American Museum of Natural History, the Cincinnati Art Museum, Denver Museum of Nature & Science and internationally at Ars Electronica in Linz Austira. He has worked on the development of Image Based 3D Modeling and Panoramic Stitching software at Realviz and in feature film production at Rhythm & Hues and Sony Pictures Imageworks on “Narnia”, “Spiderman 3″ and “I am Legend”. He teaches at Gnomon School for Visual Effects and has published professional training DVDs on  photogrammetry and panoramic stitching. He has presented at conferences for professional photographers and visual effects artists both domestically and internationally. Currently he is co-founder and president of xRez Studio.