The inventor of the computer mouse, Doug Engelbart, has died aged 88.

Engelbart developed the tool in the 1960s as a wooden shell covering two metal wheels, patenting it long before the mouse's widespread use.

He also worked on early incarnations of email, word processing and video teleconferences at a California research institute.

The state's Computer History Museum was notified of his death by his daughter, Christina, in an email.

Her father had been in poor health and died peacefully on Tuesday night in his sleep, she said.

Doug Engelbart was born on 30 January 1925 in Portland, Oregon, to a radio repairman father and a housewife mother.

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:( such a useful invention....Least he died old.

Hey, I'd say that's a pretty long life. Good on his body for keeping it on for that long.

And thanks for the Computer Mouse. Even though I, technically(?), don't use one.