Ted Nelson
Ted Nelson is currently working on a new information structure, ZigZag. More information about ZigZag is on the Xanadu project website. That website also has two versions of the Xanadu code that visitors can download. He is also currently developing XanaduSpace - a system for the exploration of connected parallel documents (an early version of this software may be freely downloaded from .  He is a visiting fellow at Oxford University - based at the Oxford Internet Institute - where he works in the fields of information, computers, and human-machine interfaces.