Id Software
Recently I saw watched his QuakeCon talk from 2013, "Principles of Light and Rendering" at QuakeCon. It helped me solidify a lot of the basic understanding of 3D rendering I already had and provided a lot of additional knowledge as well.<p><a href="https://www.youtube.com/watch?v=IyUgHPs86XM" rel="nofollow">https://www.youtube.com/watch?v=IyUgHPs86XM</a>