Chris Marquardt is a photographer and instructor, based in Tübingen, southern Germany. He is known for his shows Tips from the Top Floor and Happy Shooting, where he brings photography to an enthusiastic community. Since 2009, Chris has taken photographers to the highest photography workshop to the Himalayas and to Mount Everest, and he has also held photography workshops in Germany, in the UK, in the United States and in Canada. In 2011 Chris Marquardt released the first two iPhone apps of his PocketChris series that aim to provide photographers with a photography instructor in their pockets. He is also working on the Marquardt International Pinhole, a limited series pinhole camera that will fit 4x5 international backs and sport a very high quality pinhole made from carbon.