British scientist and engineer famous for inventing and patenting the first trackball called roller ball. Benjamin also claims to have invented the computer mouse years before before Douglas Engelbart.
Ralph Benjamin was born on 17 November, 1922
Today's Events: 17 May
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Antikythera mechanism discovered
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World Information Society Day [World Information Society Day - 17 May]
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Rosalind Picard Birthday
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Dave Sim Birthday
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Maria Petrou Birthday
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Alan Kay Birthday
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Ronald Wayne Birthday
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Clarence Ellis Death Anniversary
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Dave Berg Death Anniversary