...
Mark graduated with a B.A. in Computer Science from Rice University and is a Member of the Technical Staff at Silicon Graphics. He can be reached by electronic mail addressed to mjk@sgi.com

...objects
Texture objects encapsulate a texture map and its parameters; unlike textures embedded in display lists, modifications to the texture map and its parameters are possible. Texture objects are provided in OpenGL version 1.1 (and as an extension to 1.0).

...service.
In fact, it may be undesirable to the extent displayability adds material cost to the system. The cost of a high-end graphics subsystem used for a render server may be reduced considerably if no display monitor or display generation hardware is required.

...renderer
Cabral's original volren source code is available at ftp://sgigate.sgi.com/pub/demos/

Mark Kilgard
Fri Jan 5 18:13:30 PST 1996