Doug Engelbart sharp U.S. inventor has died.
He is best known in the world for being the inventor, in collaboration with Bill English, of the first mouse.
Numerous were also his studies concerning human-machine interaction. He was, among other inventions, the creator of what is now known as the hypertext, developed the ARPANet ( the government research network that, in its natural evolution, led to the creation of the Internet ), and finally pioneered the modern graphical user interface of PCs by introducing the use of multiple windows.
His most important insight, the mouse, represented a futuristic idea having been conceived in 1960 and patented in 1970. The mouse was not commercially available until 1984 with the production of the first Macintosh by the fledgling Apple.