Mark Shuttleworth used it to render *Reach for the stars* on the ISS in 2002. Fo...

Mark Shuttleworth used it to render Reach for the stars on the ISS in 2002.

For me, POV-Ray and FractInt were the first real programs I read and understood. They were my C tutors.

Also, you've probably been raytracing too much if you're in this thread. And you probably know who David K. Buck is.