How did the internet originate

How did the internet originate?



Who were the people most responsible for creating it?
* 1962,Rand Paul Baran, of the RAND corporation- Proposal of a packet-switched network.
* 1969,BBN constructed physical network
* 1972,Ray Tomlinson of BBN- created first email program
* 1973,Vincton Cerf from Stanford and Bob Kahn from DARPA( head of group) who developed a new protocol which would allow diverse computer networks to 'interconnect' and 'communicate' with each other. 1974, used the term Internet for the first time.
* 1976, Dr. Robert M. Metcalfe developed Ethernet.
* 1979, -Steve Bellovin, graduate student at University of North Carolina
-Programmers Tom Truscott and Jim Ellis created USENET (decentralized news group network).
* 1981, National Science Foundation created 'backbone' to CSNET.
* 1983, The University of Wisconsin created Domain Name System (DNS).
* 1986, Contractors for Darpa working on ARPANET, created, The Internet Engineering Task Force (IETF).
* 1987, National Science Foundation, BITNET and CSNET came to together to form: Corporation for Research and Educational Networking( CREN).
* 1990, Tim Berners- Lee and CERN implements a hypertext system.
* 1991, NSF established a new newtork called The National Research and Education Network, (NREN).
* 1992, CERN released World- Wide Web.
* 1993, NSF, created InterNIC to ' provide specific Internet services'.
* 1993, Marc Andreessen, NCSA and the University of Illinois develops ' graphical user interface to the www, called " Mosaic for X"

What System immediately preceeded the internet
ARPANET