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Danny Cohen (computer scientist)
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Danny Cohen (computer scientist)
Danny Cohen (December 9, 1937 – August 12, 2019) was an Israeli-American computer scientist specializing in computer networking. He was involved in the ARPAnet project and helped develop various fundamental applications for the Internet. He was one of the key figures behind the separation of TCP and IP (early versions of TCP did not have a separate IP layer); this allowed the later creation of UDP.
Cohen is probably now best known for his 1980 paper "On Holy Wars and a Plea for Peace" which adopted the terminology of endianness for computing (a term borrowed from Jonathan Swift's Gulliver's Travels). Cohen served on the computer science faculty at several universities and worked in private industry.
Cohen earned a bachelor's degree in mathematics at the Technion – Israel Institute of Technology in 1963. He was a graduate student in the math department at the Massachusetts Institute of Technology (MIT) from 1965 to 1967.[citation needed]
In 1967, Cohen developed the first real-time visual flight simulator on a general purpose computer and the first real-time radar simulator. Cohen's flight simulation work led to the development of the Cohen-Sutherland computer graphics line clipping algorithms, created with Ivan Sutherland at Harvard University. He received a Ph.D. from Harvard in 1969 as a student of Sutherland. His thesis was titled: "Incremental Methods for Computer Graphics".
After serving on the computer science faculty at Harvard through 1973, and at California Institute of Technology in 1976, Cohen joined the Information Sciences Institute at the University of Southern California to work on a packet-voice project designed to allow interactive, real-time speech over the ARPANet (and the Internet during its early development). The Network Voice Protocol project was a forerunner of Voice over Internet Protocol (VoIP). In 1981, he adapted the visual simulator to run over the ARPANet which was an early application of packet switching networks to real-time applications. He started the MOSIS project in 1980.[citation needed]
In 1993, he worked on Distributed Interactive Simulation through several projects funded by the United States Department of Defense (DoD). He prototyped a local area network technology called ATOMIC, which was the forerunner of Myrinet. In 1994, Cohen co-founded Myricom (with Chuck Seitz, and others) which commercialized Myrinet. Cohen also started the FastXchange project for electronic commerce and a digital library.
Cohen served on several panels and boards for the US DoD, National Institutes of Health, and United States National Research Council, including 5 years on the USAF Scientific Advisory Board. He served as both a factual and expert witness in patent infringement legal cases about VoIP. Cohen was a commercial pilot with SEL/MEL/SES and Instrument ratings.[citation needed]
In 1993 Cohen received the Meritorious Civilian Service Award from the United States Air Force. He was a member of the National Academy of Engineering (2006) and an IEEE Fellow (2010).
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Danny Cohen (computer scientist)
Danny Cohen (December 9, 1937 – August 12, 2019) was an Israeli-American computer scientist specializing in computer networking. He was involved in the ARPAnet project and helped develop various fundamental applications for the Internet. He was one of the key figures behind the separation of TCP and IP (early versions of TCP did not have a separate IP layer); this allowed the later creation of UDP.
Cohen is probably now best known for his 1980 paper "On Holy Wars and a Plea for Peace" which adopted the terminology of endianness for computing (a term borrowed from Jonathan Swift's Gulliver's Travels). Cohen served on the computer science faculty at several universities and worked in private industry.
Cohen earned a bachelor's degree in mathematics at the Technion – Israel Institute of Technology in 1963. He was a graduate student in the math department at the Massachusetts Institute of Technology (MIT) from 1965 to 1967.[citation needed]
In 1967, Cohen developed the first real-time visual flight simulator on a general purpose computer and the first real-time radar simulator. Cohen's flight simulation work led to the development of the Cohen-Sutherland computer graphics line clipping algorithms, created with Ivan Sutherland at Harvard University. He received a Ph.D. from Harvard in 1969 as a student of Sutherland. His thesis was titled: "Incremental Methods for Computer Graphics".
After serving on the computer science faculty at Harvard through 1973, and at California Institute of Technology in 1976, Cohen joined the Information Sciences Institute at the University of Southern California to work on a packet-voice project designed to allow interactive, real-time speech over the ARPANet (and the Internet during its early development). The Network Voice Protocol project was a forerunner of Voice over Internet Protocol (VoIP). In 1981, he adapted the visual simulator to run over the ARPANet which was an early application of packet switching networks to real-time applications. He started the MOSIS project in 1980.[citation needed]
In 1993, he worked on Distributed Interactive Simulation through several projects funded by the United States Department of Defense (DoD). He prototyped a local area network technology called ATOMIC, which was the forerunner of Myrinet. In 1994, Cohen co-founded Myricom (with Chuck Seitz, and others) which commercialized Myrinet. Cohen also started the FastXchange project for electronic commerce and a digital library.
Cohen served on several panels and boards for the US DoD, National Institutes of Health, and United States National Research Council, including 5 years on the USAF Scientific Advisory Board. He served as both a factual and expert witness in patent infringement legal cases about VoIP. Cohen was a commercial pilot with SEL/MEL/SES and Instrument ratings.[citation needed]
In 1993 Cohen received the Meritorious Civilian Service Award from the United States Air Force. He was a member of the National Academy of Engineering (2006) and an IEEE Fellow (2010).
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