David Cohn is a computer consultant, author, and professional photographer.
Photography subjects include action sports (including auto racing and Olympic sports), live theater and concert performances, events, and travel.
He is a contributing editor to Digital Engineering magazine, the former publisher and editor-in-chief of CADCAMNet and Engineering Automation Report, the former senior editor of CADalyst magazine, and the author of more than a dozen books on AutoCAD and web design.