Computer programs are constantly evolving. Here are 20 of the most influential figures that have shaped the computer programming world.
Alan Turing was a British mathematician, cryptanalyst, logician, and computer scientist. He is most famous for inventing the Turing machine, a machine that could compute algorithms and essentially foreshadowed the basic principles of a digital computer.
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Tim Berners-Lee is a computer scientist and engineer, known as the inventor of the World Wide Web. He is the director of the World Wide Web Consortium (W3C) and teaches at both Oxford University and the Massachusetts Institute of Technology (MIT).
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Grace Hopper was a computer scientist and rear admiral in the US Navy. She invented the first compiler for a computer programming language, and she was one of the first programmers of the Harvard Mark I computer. Hopper popularized the term “debugging” for fixing glitches in computers and emphasized the importance of machine-independent programming languages.
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Dennis Ritchie was a computer scientist who created the “C” programming language and, along with Ken Thompson, the Unix operating system. The C programming language is often used in system programming and open source software.
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Linus Torvalds is a software engineer responsible for the Linux operating system. He also created the distributed revision control system Git.
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Bjarne Stroustrup is a computer scientist and research professor who developed the C++ programming language. He wrote a textbook for the C++ language, and now works at Morgan Stanley.
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Ken Thompson is a renowned computer scientist. He co-created the Unix operating system, B programming language, and was one the Plan 9 operating systems’ early developers. Thompson has worked at Google for over a decade and co-invented the Go programming language.
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Brian Kernighan worked alongside Ken Thompson and Dennis Ritchie, contributing to the creation of Unix. He co-wrote the AWK and AMPL programming languages, and also partnered with Dennis Ritchie to compose the first book on C programming.
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Bill Gates is a businessman, philanthropist, humanitarian, investor, author, and founder of MIcrosoft Corporation. He has held positions as chairman, CEO, and chief software architect of Microsoft.
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John Backus was a computer scientist who directed the team that created FORTRAN, an advanced programming language. He was also the inventor of Backus-Naur form, a popular notation technique for computer language syntax.
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Nicklaus Wirth designed multiple programming languages, including Pascal. His efforts won him the Turing Award in 1984 for the development of revolutionary computer languages. He also pioneered many major topics in software engineering.
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Anders Hejlsberg is an esteemed software engineer who contributed to many successful programming languages. He is the original author of Turbo Pascal, a software development system, and currently works as a technical fellow at Microsoft
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James Gosling is a computer scientist known for fathering the Java programming language. He also helped with NeWS and the Gosling Emacs software system, contributing to their success.
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Guido van Rossum authored the Python program language. He continues to oversee Python development and will step in to make decisions as needed. He worked for Google until moving over to Dropbox.
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Donald Knuth is a computer scientist and mathematician who wrote The Art of Computer Programming. Knuth contributed greatly to multiple areas of theoretical computer science, along with creating the computer typesetting system TeX and font definition language METAFONT.
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John Carmack is a gaming programmer and co-founder of Id software. Carmack was the lead programmer of many popular Id video games like Doom, Commander Keen, and more. He is most renowned for his 3D graphic designs, especially his Carmack’s Reverse algorithm used for shadow volumes. He is now the CTO of Oculus VR.
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Larry Page is a computer scientist and entrepreneur who co-founded Google. Page is the CEO of Google’s parent company, Alphabet Inc., and he also created PageRank, Google’s search ranking algorithm.
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Ada Lovelace is known as the first computer programmer. She was an early program interpreter, explaining how Charles Babbage’s “Analytical Engine” used sequences and algorithms to formulate results.
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Richard Stallman is a computer programmer and activist for free software. He advocates for free software available to all, so that anybody can use, study, or modify the software. In his efforts, Stallman has developed the GNU Project, the Free Software Foundation, and more.
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\tBrendan Eich created the JavaScript programming language, one of the most popular programs to date. He is the co-founder of the Mozilla project and served as Mozilla’s chief technical officer. He currently works as the CEO of Brave Software.
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Macy Bayern is a former Associate Staff Writer for TechRepublic. She is a graduate from the University of Texas at Austin's Liberal Arts Honors Program.
