Edward Angel is a professor of computer science, electrical and computer engineering, and media arts at the University of New Mexico. He holds a PhD from the University of Southern California and a BS in engineering from the California Institute of Technology. He is also the director of Art, Research, Technology, and Science Laboratory (ARTS Lab) and the Arts Technology Center at the University of New Mexico. He is the author of Interactive Computer Graphics and OpenGL: A Primer ._x000D_ _x000D_ Dave Shreiner is a computer graphics specialist at ARM, Inc. He's been working with OpenGL since its inception at Silicon Graphics Computer Systems (SGI). During his 15-year tenure at SGI, he authored the first commercial OpenGL training course, co-authored the OpenGL programming guide and reference manuals, and engineered OpenGL drivers for a multitude of different systems._x000D_ _x000D_ Dave's been working in the computer graphics industry for the past two decades, where he's authored applications for flight simulators, scientific visualization, production animation, and numerous other disciplines. Also passionate about educating programmers about OpenGL and computer graphics, he's presented lectures and short courses at conference world wide, including SIGGRAPH and the Games Developer Conference.