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Topic: Claude E Shannon


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In the News (Wed 11 Nov 09)

  
  Claude Elwood Shannon - Wikipedia, the free encyclopedia
Claude Elwood Shannon (April 30, 1916 – February 24, 2001) has been called "the father of information theory", and was the founder of practical digital circuit design theory.
Shannon developed information entropy as a measure for the uncertainty in a message while essentially inventing what became known as the dominant form of "information theory." By introducing the concept of the thermodynamics of computation, Shannon became the first scientist to successfully address the conundrum of Maxwell's Demon.
Shannon gave a rough example of an evaluation function in which the value of the fl position was subtracted from that of the white position.
en.wikipedia.org /wiki/Claude_E._Shannon   (1259 words)

  
 Claude E. Shannon
Shannon was born in Petoskey, Michigan and was a distant relative of Thomas Edison.
Shannon began studying electrical engineering and mathematics at the University of Michigan in 1932, and received his Bachelor's degree in 1936.
Shannon developed information entropy as a measure for redundancy.
www.sciencedaily.com /encyclopedia/claude_e__shannon   (365 words)

  
 Claude E. Shannon - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-08)
Claude Elwood Shannon (April 30, 1916 - February 24, 2001) has been called "the father of information theory", and was the founder of practical digital circuit design theory.
In his 1937 MIT master's thesis,, Shannon proved that Boolean algebra and binary arithmetic could be used to simplify the arrangement of the electromechanical relays then used in telephone routing switches, then turned the concept upside down and also proved that it should be possible to use arrangements of relays to solve Boolean algebra problems.
Shannon developed information entropy as a measure for the uncertainty in a message while essentially inventing what became known as the dominant form of "information theory." The book co-authored with Warren Weaver, The Mathematical Theory of Communication, reprints Shannon's 1948 article and Weaver's popularization of it, which is accessible to the non-specialist.
www.northmiami.us /project/wikipedia/index.php/Claude_Shannon   (818 words)

  
 CLAUDE SHANNON
Claude Elwood Shannon was born in Gaylord, Michigan, on April 30, 1916, to Claude Elwood and Mabel Wolf Shannon.
Shannon's grandfather was an inventor and a farmer.
Shannon is as the founding father of electronic communications age since he noticed and discovered the similarity between Boolean algebra and the telephone switching circuits.
www.nyu.edu /pages/linguistics/courses/v610003/shan.html   (1917 words)

  
 Scientific American: Claude E. Shannon: Founder of Information Theory   (Site not responding. Last check: 2007-10-08)
Shannon was born in 1916 in Petoskey, Michigan, the son of a judge and a teacher.
Shannon demonstrated mathematically that even in a noisy channel with a low bandwidth, essentially perfect, error-free communication could be achieved by keeping the transmission rate within the channel's bandwidth and by using error-correcting schemes: the transmission of additional bits that would enable the data to be extracted from the noise-ridden signal.
Shannon fit the stereotype of the eccentric genius to a T. At Bell Labs (and later M.I.T., where he returned in 1958 until his retirement in 1978) he was known for riding in the halls on a unicycle, sometimes juggling as well [see "Profile: Claude E. Shannon," by John Horgan; Scientific American, January 1990].
www.scientificamerican.com /print_version.cfm?articleID=000745C4-9E66-1DA5-815A809EC5880000   (1062 words)

  
 Shannon Information
Shannon information is the type of information developed by Claude Shannon and Warren Weaver in the 1940s.
Shannon information is concerned with quantifying information (usually in terms of number of bits) to keep track of alphanumeric chcaracters as they are communicated sequentially from a source to a receiver.
Unlike specified complexity, Shannon information is solely concerned with the improbability or complexity of a string of characters rather than its patterning or significance.
www.iscid.org /encyclopedia/Shannon_Information   (109 words)

  
 Bell Labs: Claude Shannon, Father of Information Theory, Dies at 84   (Site not responding. Last check: 2007-10-08)
Claude Shannon's clever electromechanical mouse, which he called Theseus, was one of the earliest attempts to "teach" a machine to "learn" and one of the first experiments in artificial intelligence.
Shannon's theories are as relevant today as they were when he first formulated them.
Shannon was born in Petoskey, Michigan, on April 30, 1916.
www.bell-labs.com /news/2001/february/26/1.html   (468 words)

  
 Michigan Greats - Claude E. Shannon   (Site not responding. Last check: 2007-10-08)
But Claude Shannon, who graduated from the UM in 1936, has not been so honored because his research contributions in the field of "information theory" do not fit neatly into one of the six Nobel categories.
Shannon's model of the communication process and how information can be measured and transmitted efficiently and accurately remain important today even as the technology become more sophisticated.
Shannon saw great similarities between electric circuits and the true/false or yes/no statements common in algebra developed in the nineteenth century by George Boole.
www.research.umich.edu /news/michigangreats/shannon.html   (772 words)

  
 Claude Shannon Bios   (Site not responding. Last check: 2007-10-08)
Claude E. Shannon was born on April 30, 1916, to Claude Elwood and Mabel Wolf Shannon.
Shannon’s father was a judge in the tiny town of Gaylord, population of approximately 3,000, and was mathematically clever despite working in a non-mathematical field.
Claude Shannon was educated at Michigan University, where he earned his bachelor of science degree in 1936.
www.utexas.edu /coc/journalism/SOURCE/j363/shannon.html   (1471 words)

  
 Claude E. Shannon - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-08)
Shannon then joined Bell Labs until he returned to MIT in the 1950s.
Shannon developed information entropy as a measure for redundancy while essentially inventing information theory.
Shannon is known for his thinking prowess; many have testified that he was able to write entire academic papers by dictating from memory alone, without correction.
encyclopedia.worldsearch.com /claude_e._shannon.htm   (691 words)

  
 Information theory Information - TextSheet.com
Claude E. Shannon (1916-2001) has been called "the father of information theory" (ISBN 0252725484).
It is generally accepted that the modern discipline of information theory began with the publication by Claude E. Shannon of his article "The Mathematical Theory of Communication" in the Bell System Technical Journal in July and October of 1948.
Entropy as defined by Shannon is closely related to entropy as defined by physicists.
www.medbuster.com /encyclopedia/i/in/information_theory.html   (482 words)

  
 IEEE History Center - Legacies: Claude E. Shannon
Shannon has greatly extended his theoretical work since the original publication in 1947-48, dealing with such topics as the theory of cryptographic secrecy systems, multi-terminal communications networks, communications systems involving feedback, and communication in the presence of Gaussian noise.
Shannon was born 30 April 1916, in Petoskey, Michigan, but grew up in Gaylord, Michigan, where he worked as a Western Union messenger boy while in high school, an educational step he took in three years.
Shannon is married and his family includes one teen age son and a younger son and daughter.
www.ieee.org /organizations/history_center/legacies/shannon.html   (777 words)

  
 Father of Information Theory   (Site not responding. Last check: 2007-10-08)
Claude Shannon Claude Elwood Shannon, a mathematician born in Gaylord, Michigan (U.S.) in 1916, is credited with two important contributions to information technology: the application of Boolean theory to electronic switching, thus laying the groundwork for the digital computer, and developing the new field called information theory.
It is difficult to overstate the impact which Claude Shannon has had on the 20th century and the way we live and work in it, yet he remains practically unknown to the general public.
Shannon spent the bulk of his career, a span of over 30 years from 1941 to 1972, at Bell Labs where he worked as a mathematician dedicated to research.
www.trillian.com /bio/shannon.htm   (135 words)

  
 Biological Information Theory and Chowder Society Tribute to Claude E. Shannon   (Site not responding. Last check: 2007-10-08)
Claude Elwood Shannon was born in Petoskey, Michigan, on April 30, 1916.
As derived by Shannon it is the only measure of information that simultaneously meets the three conditions of being continuous over the probability, of monotonically increasing with the number of equiprobable outcomes, and of being the weighted sum of the same function defined on different partitions of the probable outcomes.
At Bell Labs Shannon was known for his eclectic interests, and for his dexterity both at constructing devices and at juggling and riding his unicycle down the halls.
www.lecb.ncifcrf.gov /~toms/shannontribute.html   (913 words)

  
 Father of Digital Communications Dies
Shannon earned his doctoral degree at MIT in 1940, and served as a professor there from the mid-1950s through 1978.
Shannon's theories was adopted years later by communications engineers who, using integrated circuits, developed digital computers and devices such as compact disks and data storage systems.
Shannon also had a whimsical side, inventing devices such as a juggling machine, a rocket-powered Frisbee, motorized Pogo sticks, and a mechanical mouse that could navigate a maze.
boston.internet.com /news/print.php/701941   (473 words)

  
 Theory of Data Compression
In his 1948 paper, ``A Mathematical Theory of Communication,'' Claude E. Shannon formulated the theory of data compression.
Shannon established that there is a fundamental limit to lossless data compression.
Shannon showed that, for a given source (with all its statistical properties known) and a given distortion measure, there is a function, R(D), called the rate-distortion function.
www.data-compression.com /theory.html   (2876 words)

  
 Claude E
But Shannon, who is a boyish 73, with an elfish grin and a shock of snowy hair, is tired of expounding on his past.
From childhood on, Shannon was fascinated by both the particulars of hardware and the generalities of mathematics.
Shannon's initial goal was simple: to improve the transmission of information over a telegraph or telephone line affected by electrical interference, or noise.
www.ecs.umass.edu /ece/hill/ece221.dir/shannon.html   (1446 words)

  
 AllRefer.com - Claude Shannon (Mathematics, Biography) - Encyclopedia
A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first to propose the application of symbolic logic to the design of relay circuitry with his paper "A Symbolic Analysis of Relay and Switching Circuits" (1938).
Shannon worked at Bell Telephone Laboratories from 1941–72 and initiated the field of information theory with his 1948 paper "A Mathematical Theory of Communication," which was retitled The Mathematical Theory of Communication when published in 1949 with a preface by Warren Weaver.
Shannon returned to MIT in 1958, although he remained a consultant with Bell Telephone.
reference.allrefer.com /encyclopedia/S/Shannon.html   (279 words)

  
 Shannon   (Site not responding. Last check: 2007-10-08)
Claude E Shannon's father was also named Claude Elwood Shannon and his mother was Mabel Catherine Wolf.
Shannon was a graduate of the University of Michigan, being awarded a degree in mathematics and electrical engineering in 1936.
Shannon wrote a Master's thesis A Symbolic Analysis of Relay and Switching Circuits on the use of Boole's algebra to analyse and optimise relay switching circuits.
www-gap.dcs.st-and.ac.uk /~history/Mathematicians/Shannon.html   (1214 words)

  
 FirstEdition Copyright 1997 Pulse Research, Inc.   (Site not responding. Last check: 2007-10-08)
Gaylord native son Claude E. Shannon is a man who will be revered forever as the Einstein of the mathematical theory of communication -- a theory that set the stage for such modern-day technology as the Internet, compact disk, satellite and cellular and digital phones.
Shannon was honored Friday evening with the unveiling and dedication of a life-size statute in the Claude Shannon Park in the 100 block of West Main Street in downtown Gaylord.
Shannon, who is 84 and living near Boston, spent the first 16 years of his life in Gaylord and is a 1932 graduate of Gaylord High School.
www.eecs.umich.edu /shannonstatue/gaylordnewsstory.html   (531 words)

  
 Claude E. Shannon: The 50th Anniversary of Information Theory
The 50th anniversary of information theory is an opportunity to briefly present Claude E. Shannon's biography and the development of one of his most fruitful ideas: that of forward error-correction (FEC) schemes from a pure mathematical curiosity to an important discipline in computer and communications engineering.
Claude Elwood Shannon was born in 1916 in Petoskey, Michigan [1].
The consequences of Shannon's considerations shed a characteristic light on the community of scientists and engineers: the source coding theorem was believed and accepted immediately: it was not contradictory to any theory, simply because nothing comparable existed.
www.comsoc.org /ci/private/1999/apr/Gappmair.html   (2836 words)

  
 Claude E. Shannon, 1916-2001   (Site not responding. Last check: 2007-10-08)
According to Dave Farber, Claude Shannon is dead.
Shannon was one of the greatest scientists of this century and was particularly responsible for our modern concepts of Boolean algebra for logic synthesis, bits, bandwidth, information, signal and noise, and error detection and correction (as well as important work in cryptography).
Some people also believe that Shannon's information theory has a very deep relevance to physics; a lot of current studies of thermodynamics focus on the relation between Shannon entropy and thermodynamic entropy.
www.advogato.org /article/251.html   (480 words)

  
 Claude Shannon (1916 - )
Not long afterwards, it dawned on Shannon that the Boolean algebra he'd learned as an undergraduate was in fact very similar to an electric circuit.
Later, of course, Shannon's thesis came to be seen as a focal point in the development of modern computers.
Shannon retired at the age of 50, although he published papers sporadically over the next ten years.
www.kerryr.net /pioneers/shannon.htm   (517 words)

  
 INFORMATION THEORY FACTS AND INFORMATION   (Site not responding. Last check: 2007-10-08)
It is generally believed that the modern discipline of information theory began with the publication of Shannon's article "The Mathematical Theory of Communication" in the ''Bell_System_Technical_Journal'' in July and October of 1948.
Information_entropy as defined by Shannon and added upon by other physicists is closely related to thermodynamical entropy.
William Dembski, a proponent of Intelligent_Design, controversially suggested that what he called "specified" Shannon information is relevant to making a "Design inference" that is an inference that something was in some sense planned by a intelligent agent.
www.dontpayyourtaxes.com /information_theory   (1201 words)

  
 Claude Shannon: Rare first edition of his master's thesis
"Claude E. Shannon, the founder of what is often called Information Theory, in his master's thesis showed in a masterful way how the analysis of complicated circuits for switching could be affected by the use of Boolean algebra.
SHANNON, Claude E. A symbolic analysis of relay and switching circuits, In Transactions of the American Institute of Electrical Engineers, Vol.
Rare first printing of Claude Shannon's famous master's thesis; through the application of Boolean algebra to relay and switching circuits, Shannon solved one of the most fundamental problems in computer design.
www.manhattanrarebooks-science.com /shannon_thesis.htm   (516 words)

  
 Shannon, father of digital communications, is dead at 84 - MIT News Office
Professor Emeritus Claude E. Shannon, known as the father of modern digital communications and information theory, died February 24 at the Courtyard Nursing Care Center in Medford after a long battle with Alzheimer's disease.
Professor Shannon received honorary degrees from Yale, Michigan, Princeton, the University of Edinburgh, the University of Pittsburgh, Northwestern, Oxford, the University of East Anglia, Carnegie-Mellon, Tufts and the University of Pennsylvania.
Claude Shannon's electromechanical mouse, which he called Theseus, was one of the earliest attempts to "teach" a machine to "learn" and one of the first experiments in artificial intelligence.
web.mit.edu /newsoffice/2001/obitshannon-0228.html   (850 words)

  
 claude shannon - computer science theory
A Midwesterner, Claude Shannon was born in Gaylord, Michigan in 1916.
Shannon graduated from MIT in 1940 with both a master’s degree and doctorate in mathematics.
Shannon’s information theories eventually saw application in a number of disciplines in which language is a factor, including linguistics, phonetics, psychology and cryptography, which was an early love of Shannon’s.
www.thocp.net /biographies/shannon_claude.htm   (1372 words)

  
 Claude E. Shannon biography .ms   (Site not responding. Last check: 2007-10-08)
He proved several results relating Boolean algebra to electronic logic networks (eg, relays and switches) in his 1937 MIT master's thesis, A Symbolic Analysis of Relay and Switching Circuits, and, with it, essentially founded practical digital circuit design.
He met his wife Betty Shannon when she was a numerical analyst at Bell Labs.
To commemorate his achievements, there were celebrations of his work in 2001, and there are currently 3 copies of a statue of Shannon: one at the University of Michigan, one at MIT and one at Bell Labs.
claude-shannon.biography.ms   (524 words)

  
 Claude E. Shannon obituary   (Site not responding. Last check: 2007-10-08)
Claude E. Shannon died on Saturday, February 24th, 2001, at the age of 84 He had been suffering from Alzheimer's disease for many years.
He was the father of Information Theory and a tireless inventor with formidable results in the fields of communications, signal processing, cryptography, genetics, computers, automata, circuits, and juggling theory.
He was also famous for building a mechanical maze-solving mouse called Theseus, for being an excellent juggler and a master of the unicycle, and for illegaly attempting to climb on top of the round roof of MIT's main auditorium (as reported by Prof.
userver.ftw.at /~jossy/shannon.html   (137 words)

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