Abramson, Norm
Norm Abramson developed the ALOHAnet, the first network that transmitted data into a computer by means of radio waves rather than conventional wires or telephone lines. ALOHAnet provided the background work for Ethernet. Norm Abramson went on to found AlohaNet.com, a satellite ISP.
Allen, Paul
Paul Allen co-heads Microsoft.com, which he and Bill Gates co-founded in 1975
Andreessen, Marc
Marc Andreessen heads Netscape.com, which he and James Clark founded in 1994. Marc Andreessen created the NCSA browser while at UIUC.edu.
Atanasoff, John
1904/1995. John Atnasoff built the first automatic digital computer (the "Atanasoff-Berry Computer") with Clifford Berry at IAState.edu from 1939-1942. The innovations of the device included a binary system of arithmetic, parallel processing, regenerative memory, and a separation of memory and computing functions. It was also the first computing machine to use electricity, vacuum tubes, binary numbers and capacitors. The final product was the size of a desk, weighed 700 pounds, had over 300 vacuum tubes, and contained a mile of wire. It could calculate about one operation every 15 seconds.
Babbage, Charles
1791/1871. British mathematician and inventor. His mechanical computing machines were built on principals that anticipated modern electronic computers. Babbage began developing his "Difference Engine", a mechanical device to perform simple mathematical calculations, in the 1820s. In the 1830s, he developed the "Analytical Engine" to carry out more complicated calculations. Both devices were punched-card controlled general purpose calculators, yet neither was ever built by Babbage because of funding. Modern scientists, however, have built his machines to their exact specifications.
Ballmer, Steve
Steve Ballmer co-heads Microsoft.com, which he joined in 1980. Steve Ballmer was Bill Gates' friend at Harvard.edu.
Baran, Paul
Paul Baran developed the idea of digital PS (Packet Switching) during the Cold War while working for RAND.org, with his 1962 paper "On Distributed Communications Networks". His work led to the Internet.
Bechtolsheim, Andy
Andy Bechtolsheim co-founded Sun.com (with Vinod Khosla, Scott McNealy and Bill Joy in 1982). Andy Bechtolsheim architected the original Sun workstation, which he created while working on his Ph.D. thesis at Stanford.edu in the late 1970s. Andy Bechtolsheim also founded Granite Systems in 1995 which was bought out by Cisco.com in 1996.
Beck, Kent
Kent Beck initialized the XP methodology with his 1999 book Extreme Programming Explained: Embrace Change.
Berners-Lee, Tim
Tim Berners-Lee invented the World Wide Web (1989), the first browser (1990), and HTML while working at CERN.ch. Tim Berners-Lee graduated from Oxford University in England. Tim Berners-Lee directs the W3C.org and heads the Laboratory for Computer Science at MIT [§].
Berry, Clifford
Clifford Berry built the first automatic digital computer (the "Atanasoff-Berry Computer") with John Atnasoff at Iowa State University from 1939-1942. See Atanasoff, John.
Bezos, Jeff
Jeff Bezos heads Amazon.com, which he founded in 1995.
Bhatia, Sabeer
Sabeer Bhatia co-founded Hotmail.com in 1996 and then sold it to to Microsoft. Hotmail was the first free Web-based e-mail service and served as a template for all that came after it.
Boole, George
1815/1864. George Boole was an English mathematician whose work helped establish modern symbolic logic. His algebra of logic, called Boolean algebra or Boolean logic, a two-valued system in which objects are divided into separate classes given one of two properties, is essential to the design of modern digital computer circuits.
Bosack, Len
Len Bosack co-founded Cisco.com with his wife Sander Lerner in 1984. Bosack and Lerner developed the first commercially successful network router while at Stanford.edu.
Bosak, Jon
Jon Bosak is known as the "father of XML." since he led the effort to make an SGML based system for putting Novell's documentation online.
Bricklin, Dan
Dan Bricklin co-created VisiCalc the first computer spreadsheet with Bob Frankston in 1979.
Canion, Rod
Rod Canion co-founded Compaq Computers in 1982 and served as its CEO for a decade. Canion and the co-founders were determined to recreate the success of IBM by reverse engineering a product that IBM held a patent on, the ROM-BIOS chip. Canion is credited with innovating the first IBM-compatible portable PC, the LTE, leading to the development of the modern laptop computer. Through the development of EISA (Extended Industry Standard Architecture), Compaq introduced the world to the idea of a server in its Systempro PC.
Case, Steve
Steve Case headed AOL.com. Steve Case co-founded Quantum Computer Services in 1985 which evolved into AOL.
Cerf, Vint
Vint Cerf co-invented the TCP/IP protocol with Robert Kahn in 1973. Prior to that, Cerf worked on the ARPANET at UCLA.edu from 1968-72.
Clark, Jim
Jim Clark co-founded Netscape.com with Marc Andreessen in 1994. Jim Clark founded SGI.com (which does Hollywood special effects) and Healtheon (which links doctors, pharmacies, insurers and patients via the Internet and has evolved into WebMD.com/Medical Manager). Jim Clark triggered the federal government's antitrust investigation of Microsoft. Jim Clark founded Shutterfly.com (an online photo processing and delivery service).
Codd, Edgar
A.k.a. E.F. Codd or EF Codd. Edgar Codd was the first to present a relational model for databases with his seminal paper "A Relational Model of Data for Large Shared Data Banks" in 1970.
Corbató Fernando J.
Fernando J. Corbató led at team at MIT that created Multics (Multiplexed Information and Computing Service.), a mainframe timesharing operating system. Multics came into general use at MIT by 1969, and in 1973 it was commercially offered by Honeywell until 2000. Unix is a play on Multics where "UNplexed" was substituted for "Multiplexed" to make "Unics".
Cox, Alan
Alan Cox did much of the code for the Linux kernel after Linus Torvalds original work.
Cray, Seymour
1925/1996. Seymour Cray is the "father of supercomputing". Seymour Cray began his career as a computer scientist working on UNIVAC I. In 1957 Cray helped found Control Data Corp., where he designed the CDC 6600 and the CDC 7600 large-scale computers. Cray left the company in 1972 to begin Cray Research Inc., where he designed multiprocessor computers allowing parallel processing. His company's first supercomputer, the Cray-1, came out in 1976 and could perform 240 million calculations per second. Cray also developed an innovative cooling system, using Freon to combat the intense heat of the Cray 1. The Cray Y-MP, introduced in 1988, was capable of 2.6 billion calculations per second.
Crocker, Steve
Steve Crocker submitted the first RFC (Request For Comments), "Host Software" in 1969.
Cunningham, Ward
Ward Cunningham invented Wikis in 1995.
Daines, Bernard
Bernard Daines pioneered Ethernet technology, including Fast Ethernet and Gigabit Ethernet.
Date, CJ
CJ Date formulated the five normal forms for normalizing databases in his 1974 book An Introduction to Database Systems.
Dell, Michael
Michael Dell founded Dell.com in 1984 out of his college dormitory with only $1000.
Dijkstra, Edsger
1930/2002. In 1956, Edsger Dijkstra developed the "shortest-path algorithm," later to be known as the Dijkstra algorithm, which was an algorithm to find the best way to travel between two points. In the early 1960s, Dijkstra applied the idea of mutual exclusion to communications between a computer and its keyboard, an idea that was adopted after 1964 in most processors and memory boards after IBM used it in its 360 architecture.
Ellis, Jim
Jim Ellis is one of the two inventors of Usenet, an early precursor to the internet. A Duke University Grad Student in 1979, Ellis worked to connect computers at Duke as well as at UNC, so that information could be passed between them.
Ellison, Larry
Larry Ellison heads and co-founded Oracle.com in 1977.
Engelbart, Doug
Doug Engelbart invented the computer mouse. His team at Stanford.edu also pioneered some of the first examples of hypermedia, multiple windows on a screen, display editing, outline processing, linking and in-field object addressing, context-sensitive help, and collaborative computing, including video-conferencing and use of remote shared workspaces.
Ershov, Andrei
1931/1988. Andrei Ershov was one of the earliest pioneers in the field of theoretical and systems programming. Andrei Ershov founded the Siberian School of Computer Science. His work includes the DO statement and hash addressing.
Fanning, Shawn
Shawn Fanning wrote Napster, a program which allowed users to trade data, esp. copyrighted music, over the Internet. The service was used primarily to trade music for free.
Frankston, Bob
Bob Frankston co-created VisiCalc the first computer spreadsheet with Dan Bricklin in 1979.
Gates, Bill
Bill Gates is the head of Microsoft.com, which he and Paul Allen co-founded in 1975. Bill Gates is probably the most famous man in the world of computers and has been one of the top 10 wealthiest men in the US for years.
Geschke, Chuck
Chuck Geschke co-founded Adobe.com in 1982 with John Warnock. Chuck Geschke was a principal scientist and researcher at PARC.Xerox.com prior to founding Adobe.
Goldfarb, Charles
Charles Goldfarb invented the term "markup language" while working at IBM.com in 1969. In 1974, Charles Goldfarb created SGML which he turned into ISO 8879. SGML is the father of XML and HTML.
Gosling, James
James Gosling is the principal architect of Java by Sun.com. James Gosling also built satellite data acquisition systems, a multiprocessor version of UNIX, several compilers, mail systems and window managers, a WYSIWYG text editor, a constraint-based drawing editor, and a text editor called "Emacs" for Unix.
Grove, Andy
Andy Grove is the head Intel.com, which he co-founded in 1967 with Gordon Moore and Bob Noyce.
Heart, Frank
Frank Heart is credited with moving beyond theory and building the physical attributes of what would later develop into the Internet. His team at BBN.com designed and built the Interface Message Processors for the ARPAnet in 1969.
Hopper, Grace
1906/1992. Grace Hopper developed the first compiler, A-0, which translated symbolic mathematical code into machine code. Using call numbers, the computer could retrieve subroutines stored on tape and then perform them. The A-2 became the first extensively used compiler, laying the foundations for programming languages. In 1952, she published her first paper on compilers. Despite opposition from peers, Hopper also developed the B-0 compiler, later know as FLOW-MATIC, which could be used for typical business tasks such as payroll calculation and automated billing. Using FLOW-MATIC, she taught UNIVAC I and II to understand 20 English-like statements by the end of 1956. Hopper is credited with popularizing the term "debugging" for fixing computer glitches (inspired by an actual moth removed from the computer). By the time of her death, Hopper had published over 50 papers on software and programming languages. At the time of her death, Hopper held the rank of Rear Admiral (Ret.) in the U.S. Navy.
Jobs, Steve
Steve Jobs heads Apple.com, which he and Steve Wozniak co-founded in 1976. Apple makes the Macintosh OS and hardware. Steve Jobs also heads Pixar.com, which he co-founded in 1986.
Joy, Bill
Bill Joy co-founded Sun.com (with Vinod Khosla, Scott McNealy and Andy Bechtolsheim in 1982). Bill Joy was the principal designer of the BSD UNIX operating system while at Berkeley.edu, including the c shell and vi. Bill Joy co-designed the SPARC microprocessor architecture.
Kahn, Robert
Robert Kahn co-invented the TCP/IP protocol with Vint Cerf in 1973. He worked at Bell-Labs.com, MIT.edu, and was responsible for the system design of the ARPANET.
Kay, Alan
Alan Kay co-founded PARC.Xerox.com. Alan Kay developed the first graphical object-oriented personal computer to get his doctorate at Utah.edu in 1969. While at PARC his team developed Smalltalk, the overlapping window interface, desktop publishing, the Ethernet, laser printing, network client-servers, and designs for "DynaBook" which lead to laptops.
Kemeny, John
John Kemeny, with Thomas Kurtz, co-invented the BASIC programming language in 1964-05-01 at Dartmouth.edu.
Kernighan, Brian
Brian Kernighan was a pioneer in the development of both the C programming language and UNIX. Brian Kernighan wrote The C Programming Language and The UNIX Programming Environment.
Khosla, Vinod
Vinod Khosla co-founded Sun.com (with Bill Joy, Scott McNealy and Andy Bechtolsheim in 1982). Bill Joy was the first CEO of Sun.
Kleinrock, Leonard
Leonard Kleinrock helped develop the ARPANET in response to Sputnik. He got his Ph.D. at MIT.edu but was a professor at UCLA.edu when he made it the first node on ARPANET.
Kurtz, Thomas
Thomas Kurtz, with John Kemeny, co-invented the BASIC programming language in 1964-05-01 at Dartmouth.edu.
Lerner, Sandy
Sander Lerner co-founded Cisco.com with her husband Len Bosack in 1984. Bosack and Lerner developed the first commercially successful network router while at Stanford.edu.
Licklider, J.C.R.
1915/1990. J.C.R. Licklider was a psychologist and psychoacoustitician as well as a computer scientist. J.C.R. Licklider was given lead of ARPA in 1962 and his program worked to develop computer science PhD programs at four of the first universities to offer graduate degrees in computer science.
Lovelace, Ada Byron
1815/1852. Daughter of Lord Byron. Ada Byron Lovelase was the world's first programmer. In 1843, she published an article based on the work of Charles Babbage in which she predicted that a calculating engine proposed by Babbage could be used to compose complex music, to produce graphics, and would be used for both practical and scientific use. She suggested to Babbage writing a plan for how the engine might calculate Bernoulli numbers. This plan is now regarded as the first "computer program." A software language developed by the U.S. Department of Defense was named Ada in her honor in 1979.
McNealy, Scott
Scott McNealy co-founded Sun.com (with Vinod Khosla, Bill Joy and Andy Bechtolsheim in 1982). Scott McNealy got his BA at Harvard.edu, and then co-founded Sun while getting his MBA at Stanford.edu.
Metcalfe, Bob
Bob Metcalfe founded 3Com.com in 1979. Bob Metcalfe also co-invented Ethernet with David Boggs while working at PARC.Xerox.com. His team's work led to the Xerox Star workstation. Bob Metcalfe taught at Stanford.edu and the University of Cambridge, England.
Minsky, Marvin
Marvin Minsky pioneered theoretical and practical advances in artificial intelligence, cognitive psychology, neural networks, and the theory of Turing Machines and recursive functions. Marvin Minsky was also one of the pioneers of intelligence-based mechanical robotics and telepresence. He got his BA at Harvard.edu, his Ph.D. at Princeton.edu, and currently teaches at MIT.edu.
Moore, Gordon
Gordon Moore headed and co-founded Intel.com in 1967 with Andy Grove and Bob Noyce. Gordon Moore authored Moore's Law which predicted that the number of transistors on a computer chip would double every 18-24 months.
Noorda, Ray
Ray Noorda headed Novell.com. His team developed a NOS (Network Operating System) that was not dependent on any one application, network interface card or operating system. Ray Noorda also created Novell education and certification programs. Novel bought the original Unix. Ray Noorda also owns the Canopy Group, which was a major investor in Caldera, which is now SCO, so Ray Noorda "owns" the "original" Unix.
Noyce, Bob
1927/1990. Bob Noyce headed and co-founded Intel.com in 1967 with Gordon Moore and Bob Noyce. Boby Noyce co-founded the Fairchild Semiconductor Corporation prior to Intel. Bob Noyce held 16 patents for semiconductor devices, methods, and structures.
Postel, Jonathan
1943/1998. Jonathan Postel started up ARPANET along with Vint Cerf. Jonathan Postel was involved in the development of many fundamental Internet protocols, including the domain name system, file transfer, and Telnet. He also authored the specifications for the Internet Protocol, and the Simple Mail Transport Protocol. He also was the first editor of the Internet RFC series.
Raskin, Jef
1943-03-09/2005-02-26. Jef Raskin created and named the Apple "Macintosh" in 1979 and invented click-and-drag selection. Related: http://humane.sourceforge.net/home/, http://mxmora.best.vwh.net/JefRaskin.html, http://jef.raskincenter.org.
Ritchie, Dennis
Dennis Ritchie co-created the UNIX operating system in 1969 with Ken Thompson while working at Bell-Labs.com. Ritchie also wrote the C programming language in 1972.
Roberts, Ed
Ed Roberts created the world's first truly personal computer in 1975, i.e. the Altair 8800. The Altair 8800 was built around the Intel 8080 chip, with 256 B RAM and a panel of switches. Ed Roberts received his electronics training in the Air Force. Ed Roberts founded Micro Instrumentation Telemetry Systems where he developed the Altair 8800 to save the company from bankruptcy.
Claude Shannon is one of the founding fathers of computer science. He was one of the first to see the true potential of building binary computing systems, and actually coined the term "Bit" in his Mathematical Theory of Communication. He was involved with computers from their actual inception and took part in several important stages of their evolution.
Shugart, Alan
Alan Shugart led the IBM team that developed the floppy disk in 1979. Alan Shugart founded Shugart Technology in 1979, which later became Seagate Technology.
Stallman, Richard
Richard Stallman founded the Free Software Foundation (GNU.org) in 1984. By quitting MIT.edu and founding the FSF, he initiated the open source movement using "Copyleft" and the GNU GPL. The FSF is dedicated to eliminating restrictions on copying, redistribution, understanding, and modification of computer programs. Richard Stallman also wrote the GNU Manifesto, in which he argues for the free distribution of software, and started the GNU project with the aim of creating an operating system that could be shared freely with anyone around the world.
Stroustrup, Bjarne
Bjarne Stroustrup invented the C++ programming language in 1983, pioneering the use of object-oriented and generic programming techniques in application areas where efficiency is a premium. Bjarne Stroustrup works at Bell-Labs.com. He was and is actively involved in the ANSI/ISO standardization of C++.
Tanenbaum, Andrew "Andy" Stuart
Andrew Tanenbaum invented Minix in the late 1980s. Minix was a free but closed source clone of Unix that inspired Linux.
Thompson, Ken
Ken Thompson co-created the UNIX operating system in 1969 with Dennis Ritchie while working at Bell-Labs.com. Ken Thompson wrote the B computer programming language which Dennis Ritchie used to develop C. Ken Thompson then rewrote UNIX in C in 1973. Ken Thompson co-created UTF-8 with Rob Pike in 1992.
Tomlinson, Ray
Ray Tomlinson created the first e-mail program in 1972 while working at BBN.com. Ray Tomlinson graduated from MIT.edu. Ray Tomlinson invented the use of the @ symbol in emails.
Torvalds, Linus
Linus Torvalds wrote the core of the Linux operating system as open source in 1991 to compete with Microsoft Windows. This beloved Finnihs fellow is working on the Crusoe chip at Transmeta.com to compete with Intel.com.
Turing, Alan
1912-1954. Alan Turing was an English mathematician, logician and philosopher who made important advancements in the field of computer theory and who contributed important logical analyses of computer processes. Alan Turing was largely responsible for breaking the German Enigma military codes during WWII. In 1936, he introduced the Universal Turing Machine, a hypothetical machine used for computability theory proofs that is regarded as the first digital computer. In 1950, Turing introduced the Turing Test to prove his theory that computers eventually would be constructed that would be capable of human thought. His papers on the subject provide a foundation for modern research in artificial intelligence.
von Neumann, John
1903/1957. John von Neumann was a professor at Princeton.edu during the Albert Einstein years. John von Neumann made contributions in many fields (EG: Ordnance, nukes, quantum mechanics) but as far as computers go he was involved in digital computers, computing methods, statistics, and applied mathematics.
von Rossum, Guido
1956/. Guido von Rossum is a Dutch computer programmer best known for creating the Python programming language, which he started as a hobby. He has since worked for NIST, Google, and Dropbox.
Wall, Larry
Larry Wall created the PERL open source programming language in 1987 while working at Unisys.com. Larry Wall also made the ubiquitous Usenet reader called rn. He now works at OReilly.com.
Warnock, John
John Warnock co-founded Adobe.com in 1982 with Chuck Geschke. John Warnock was a principal scientist at PARC.Xerox.com prior to founding Adobe.
Wozniak, Steve
Steve Wozniak co-founded Apple.com with Steve Jobs in 1976. Wozniak is responsible for creating the innovative Apple II computer in 1977. He left Apple Computers in 1985 to become largely a philantrhopist.
Yourdon, Ed
Ed Yourdon developed structured methods, a set of formalisms for software development in the mid 1970s. This helped FORTRAN and COBOL deal with managing large systems.
Zuse, Konrad
1910/1995. Konrad Zuse was a German engineer who in 1935 built the world's first binary digit computer, the Z1, which was destroyed in World War II. In 1941, he built the first fully operational program-controlled electromechanical binary calculating machine, or digital computer, called the Z3. In 1945, he began work on "Plankalkul," the first algorithmic programming language that he used to design a chess-playing program.

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