Ted Nelson

Probably the central HyperText guru.

Inventor of the Xanadu, uh, whatever is was.

Author of Literary Machines and Computer Lib Dream Machines

see also: http://www.technomanifestos.net/index.pl?Ted_Nelson

As of October 2002, Mr. Nelson's homepage is http://ted.hyperland.com

Recently he has been working on ZigZag (http://xanadu.com/zigzag/), cross-linked lists in many dimensions. Worth a visit!