Dates for inventions are often controversial. Inventions are often invented by several inventors around the same time, or may be invented in an impractical form many years before another inventor improves the invention into a practical form. Where there is ambiguity, the date of the first working version of the invention is used here. 

1960: Laser: Theodore Harold Maiman

1961: Optical disc: David Paul Gregg

1961: Cochlear implant: William House

1962: Light-emitting diode: Nick Holonyak

1962: Space observatory: Ball Brothers Aerospace Corporation

1963: Computer mouse: Douglas Engelbart

1967: Automatic Teller Machine: John Shepherd-Barron

1967: Hypertext: Andries van Dam and Ted Nelson

1968: Video game console: Ralph H. Baer

1960s: Packet switching: Paul Baran and Donald Davies, independently

1969: ARPANET (first wide-area packet switching network): United States Department of Defense  

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