1945 Vannevar Bush proposes Memex
1965 Ted Nelson coins the word "hypertext" (later elaborated in his pioneering book Literary Machines)
1967 The Hypertext Editing System and FRESS, Brown University, Andy van Dam
1968 Doug Engelbart demo of NLS system at FJCC
1975 ZOG (now KMS): CMU
1978 Aspen Movie Map, first hypermedia videodisk, Andy Lippman, MIT Architecture Machine Group (now Media Lab)
1984 Filevision from Telos