Top 15 tech pioneers

The visionaries and gurus who laid the foundations for the Information Age
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Martin Cooper: Inventor of the mobile phone.
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Tim Berners Lee: Inventor of the World Wide Web. (Getty Images)
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Alan Turing: Nicknamed the ‘Father of computing’, he worked at Britain's codebreaking centre, Bletchley Park and was influential in the development of computer science, providing a formalisation of the concepts of "algorithm" and "computation" with the Turing machine, which can be considered a model of a general purpose computer.
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Philip Don Estridge: Led the development of the original IBM Personal Computer (PC).
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Chuck Hull: Inventor of 3D printing.
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Douglas Engelbart: Invented the mouse.
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Edgar 'Ted' Codd: Invented the relational database.
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Fujio Masuoka: Inventor of flash memory.
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George Heilmeier: Developed LCD technology.
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Grace Hopper: developed the COBOL computer programming language.
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James Gosling: Inventor of Java. (Getty Images)
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Robert E. Kahn and Vint Cerf: proposed a protocol they called 'TCP' which later became IP, Internet Protocol.
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Robert Dennard: Inventor of RAM.
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Dennis Ritchie (right): The inventor of the C language and along with Ken Thompson (left) co-inventor of Unix.
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Vic Hayes: Invented IEEE 802.11 (wi-fi).