Doug Engelbart & Ted Nelson

Doug Engelbart, inventor of (amongst many) the mouse, windows and hypermedia.

http://dougengelbart.org/
Good page where most information on Doug Engelbart can be found.

http://sloan.stanford.edu/MouseSite/Archive/patent/Mouse.html
Some pictures on the most significant invention from Engelbart.

http://www.youtube.com/watch?v=lAv-5Z7TPHE
Short tribute video on Engelbart.

Ted Nilson, pioneer of information technoloy.
Coined terms such as, "hypertext" and "hypermedia".

http://elab.eserver.org/hfl0155.html
Some short information about Ted Nelson and his most important contributions.

http://www.youtube.com/watch?v=En_2T7KH6RA&feature=related
Ted Nelson demonstrates his biggest project ever, Xanadu.