About the Author
Peter Shirley is currently a research scientist at NVIDIA. He is also an adjunct professor in the School of Computing at the University of Utah. He has held positions at Indiana University and the Cornell Program of Computer Graphics. R. Keith Morley is Chief Software Engineer at RayScale. He has a B.S. in Computer Science from the University of Utah and also studied at Princeton University. He worked as a Senior Software Engineer at Walt Disney Feature Animation on 3D rendering and lighting tools.
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