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Konrad Zuse developes Pankalkul (german for plan calculus) for engineering software.
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John Backus developes Fortran(FORmula TRANslaing system) for use in computation heavy programs, such as weather prediction software.
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Charles Katz led a group in developement of Math-Matic, which is a compiler for UNIVAC I & II.
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John McCarthy developes Lisp for use in AI
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Grace Hopper developes COBOL (COmmon Busiess-Oriented Language) for use in business applications.
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IBM developes RPG (Report Program Generator) for business applications.
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John George Kemeny and Thomas Eugene Kurtz develope BASIC (Begginer's All-Purpose Symbolic Instruction Code) as tool for students to more easily create their own software.
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Wally Feurzeig and Seymour Papert develope Logo to help teach programmer to students. The name, Logo, is deried from the greek word for thought.
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Ken Thompson developes B (a contraction of BCPL) for Bell.
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Niklaus Wirth develoed Pascal to be an efficient programming language which would help to encourage good programming practices. It is named after the mathematician Blaise Pascal.
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Dennis Ritchie creates C, which is now often used in place of assembly languages.
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ML (Meta Language) is developed by Robert Milner as a general purpose programming language.
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Donald D Chamberlin creates SQL (Structured Query Language) to manage data held in a "relational database management system".
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Jean Ichbiah makes Ada to replace the hundreds of different languages used by the Department of Defense.
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Bjarne Stroustrup creates C++ which is widely used in system software, embedded software, device drivers, application software, and entertainment software.
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Guido Van Rossum creates Python as a general purpose high-level programming language.
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Microsoft developes Visual Basic to provide an easy way to rappidly produce GUI applications.
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Delphi(a reference to the Oracle at Delphi) is developed by Borland to make standalone GUI programs and 32 bit console applications.
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James Gosling makes Java, which is commonly used to write applications that can be used on multiple platforms.
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Brendan Eich creates Javascript which is used primarily for server programming and web browsers.
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Rasmus Lerdorf creates PHP for use in web development. PHP originally stood for 'Personal Home Page' but now stands for 'HyPertext Processor'