Ben Long is a San Francisco-based photographer, writer, and teacher. He is the author of over two dozen books on digital photography and digital video. For years he covered photography and graphics software for such magazines as Macworld, MacUser, MacWeek and CreativePro.com. His photography clients have included 20th Century Fox, Blue Note Records, Global Business Network, the San Francisco Jazz Festival, the Pickle Family Circus, and Grammy-nominated jazz musicians Don Byron and Dafnis Prieto. He has taught and lectured on photography around the world, including workshops at the Santa Reparata International School of the Arts in Florence and a class for imaging engineers at Apple, Inc. He occasionally dabbles in computer programming and has written image editing utilities that are used by National Geographic, the British Museum, and the White House.