Adam Osborne, the 64-year-old inventor of the world’s first portable computer, died in his sleep on Wednesday of a brain disease at his summer home in southern India’s Kodaikanal Hills.

Osborne’s breakthrough portable computer was first seen at a US computer fair in 1981. Weighing in at an astonishing 10.5kg, the suitcase computer proved a runaway hit with consumers, making Osborne one of the first IT millionaires.

Boasts that an even better computer was on its way even as the first Osborne machine hit the market prompted consumers to defer their purchases, sparking financial difficulties that led to the demise of Osborne Computers in 1983.
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