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John Napier is best known as the inventor of logarithms.
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He invented the mechanical calculator.
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Babbage is credited with inventing the first mechanical computer
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the world's first computer programmer
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Flowers designed Colossus, the world's first programmable electronic computer
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He was highly influential in the development of computer science, giving a formalisation of the concepts of "algorithm" and "computation" with the Turing machine,
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was a pioneer in computing, being the original conceptual designer behind IBM's Harvard Mark I computer.
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Gates is the former chief executive and current chairman of Microsoft, the world’s largest personal-computer software company, which he co-founded with Paul Allen.
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is the inventor of the handheld calculator and the thermal printer.
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was an American entrepreneur, marketer, and inventor, who was the co-founder chairman, and CEO of Apple Inc.
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is an American computer scientist and Internet entrepreneur who is the co-founder of Google, alongside Sergey Brin.
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is the co-founder and former CEO of both Danger Inc. and Android Inc.
