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Avi Bar-Zeev is a co-founder of Keyhole () – maker of EarthViewer, which later became Google Earth ( http://earth.google.com ) – and an early employee of Intrinsic Graphics and a number of interesting start-ups. He developed technologies for Second Life, including the procedural 3D object rendering code. Early in his career, he helped develop Disney's Aladdin's Magic Carpet VR Ride, ( http://www.imagineering.org/wdilabs.html ), one of the first real-time (60 fps) first-person immersive entertainment applications, and went on to lead or influence a number of Disney 3D experiences. He typically consults for a living, inventing technologies as needed and helping clients through the maze of options. He regularly blogs about subjects related to his technical interests and expertise at http://www.realityprime.com .
Jeremy W. Crampton (Sun,) studied this question.