readings
Leiner et al. (2008). Brief history of the internet. A web page at the Internet Society.
JCR Licklider. (1968). "The Computer as a Communication Device". In: Science and Technology. April 1968.
JCR Licklider. (1960). "Man-Computer Symbiosis". In: Transactions on Human Factors in Electronics, volume HFE-1, pages 4–11.
Bush, Vannevar (July 1945). "As We May Think". The Atlantic.
Berners-Lee, Tim. WWW: Past, present, and future. Computer 29.10 (1996): 69-77.
videos
Computer networks - the heralds of resource sharing. An early 70s BBN production on describing ARPAnet, with many of its forefathers, including
Englebart's mother of all demos page. Clips 7 and 11 show hypertext and the NLS, 12 introduces the mouse.
references
General
Internet Hall of Fame timeline
Internet milestones, a timeline of pioneeers
Hypertext timeline at wikipedia
Hobbes' internet timeline
Vannevar Bush and memex, 1945
Licklider and the "intergalactic computer network", 1962
Memex.org has a page about him, with references to chapters on his work.
U. Minnesota's digital conservancy has a transcript of an interview with Licklider.
Ted Nelson and hypertext, 1960
hypertext editing system, 1967
Douglas Englebart and the oN Line System, 1968
arpanet, 1969
Initial sites were UC Santa Barbara, SRI, University Utah and UCLA
TCP, 1974
DNS, 1982
NSFNet, 1986
World wide web, 1991
NSFNet privatized, 1995