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Norbert Wiener

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Norbert Wiener

Norbert Wiener
Born (1894-11-26)November 26, 1894
Columbia, Missouri, U.S.
Died March 18, 1964(1964-03-18) (aged 69)
Stockholm, Sweden
Nationality American
Fields Mathematics
Institutions Massachusetts Institute of Technology
Alma mater Tufts College BA 1909
Harvard University PhD 1913
Doctoral advisor Karl Schmidt
Josiah Royce
Doctoral students Amar Bose
Colin Cherry
Shikao Ikehara
Norman Levinson
Known for
Notable awards National Medal of Science (1963)

Norbert Wiener (November 26, 1894 – March 18, 1964) was an American mathematician and philosopher. He was Professor of Mathematics at MIT.

A famous child prodigy, Wiener later became an early researcher in stochastic and noise processes, contributing work relevant to electronic engineering, electronic communication, and control systems.

Wiener is considered the originator of society.


  • Biography 1
    • Youth 1.1
    • Harvard and World War I 1.2
    • After the war 1.3
    • During and after World War II 1.4
    • Awards and honors 1.5
  • Work 2
    • Wiener equation 2.1
    • Wiener filter 2.2
    • In mathematics 2.3
  • Publications 3
  • References 4
  • External links 5



Wiener was born in Columbia, Missouri, the first child of Leo Wiener and Bertha Kahn, Jews[1] of Polish and German origin, respectively. Norbert Wiener became a famous child prodigy. Leo had educated Norbert at home until 1903, employing teaching methods of his own invention, except for a brief interlude when Norbert was 7 years of age. Earning his living teaching German and Slavic languages, Leo read widely and accumulated a personal library from which the young Norbert benefited greatly. Leo also had ample ability in mathematics and tutored his son in the subject until he left home. In his autobiography, Norbert described his father as calm and patient, unless he (Norbert) failed to give a correct answer, at which his father would lose his temper.

Despite being raised in a Jewish family, he later became an agnostic.[2]

After graduating from Ayer High School in 1906 at 11 years of age, Wiener entered Tufts College. He was awarded a BA in mathematics in 1909 at the age of 14, whereupon he began graduate studies of zoology at Harvard. In 1910 he transferred to Cornell to study philosophy.

Harvard and World War I

The next year he returned to Harvard, while still continuing his philosophical studies. Back at Harvard, Wiener became influenced by Edward Vermilye Huntington, whose mathematical interests ranged from axiomatic foundations to engineering problems. Harvard awarded Wiener a Ph.D. in 1912, when he was merely 17 years old, for a dissertation on mathematical logic, supervised by Karl Schmidt, the essential results of which were published as Wiener (1914). In that dissertation, he was the first to state publicly that ordered pairs can be defined in terms of elementary set theory. Hence relations can be defined by set theory, thus the theory of relations does not require any axioms or primitive notions distinct from those of set theory. In 1921, Kazimierz Kuratowski proposed a simplification of Wiener's definition of ordered pairs, and that simplification has been in common use ever since. It is (x, y) = .

In 1914, Wiener traveled to Europe, to be taught by Bertrand Russell and G. H. Hardy at Cambridge University, and by David Hilbert and Edmund Landau at the University of Göttingen. During 1915–16, he taught philosophy at Harvard, then was an engineer for General Electric and wrote for the Encyclopedia Americana. Wiener was briefly a journalist for the Boston Herald, where he wrote a feature story on the poor labor conditions for mill workers in Lawrence, Massachusetts, but he was fired soon afterwards for his reluctance to write favorable articles about a politician the newspaper's owners sought to promote.[3]

Although Wiener eventually became a staunch pacifist, he eagerly contributed to the war effort in World War I. In 1916, with America's entry into the war drawing closer, Wiener attended a training camp for potential military officers, but failed to earn a commission. One year later Wiener again tried to join the military, but the government again rejected him due to his poor eyesight. In the summer of 1918, Oswald Veblen invited Wiener to work on ballistics at the Aberdeen Proving Ground in Maryland.[4] Living and working with other mathematicians strengthened his interest in mathematics. However, Wiener was still eager to serve in uniform, and decided to make one more attempt to enlist, this time as a common soldier. Wiener wrote in a letter to his parents, "I should consider myself a pretty cheap kind of a swine if I were willing to be an officer but unwilling to be a soldier".[5] This time the army accepted Wiener into its ranks and assigned him, by coincidence, to a unit stationed at Aberdeen, Maryland. World War I ended just days after Wiener's return to Aberdeen and Wiener was discharged from the military in February 1919.[6]

After the war

Norbert Wiener was regarded as a semi-legendary figure at MIT

Wiener was unable to secure a permanent position at Harvard, a situation he blamed largely on G. D. Birkhoff.[7] He was also rejected for a position at the University of Melbourne. At W. F. Osgood's suggestion, Wiener became an instructor of mathematics at MIT, where he spent the remainder of his career, becoming promoted eventually to Professor. There is a photograph of him prominently displayed in one of the hallways, often used in giving directions.

In 1926, Wiener returned to Europe as a Guggenheim scholar. He spent most of his time at Göttingen and with Hardy at Cambridge, working on Brownian motion, the Fourier integral, Dirichlet's problem, harmonic analysis, and the Tauberian theorems.

In 1926, Wiener's parents arranged his marriage to a German immigrant, Margaret Engemann; they had two daughters. His sister, Constance, married Philip Franklin. Their daughter, Janet, Wiener's niece, married Václav E. Beneš.[8]

Many tales, perhaps apocryphal, were told of him at MIT, especially concerning his absent-mindedness. It was said that he returned home once to find his house empty. He inquired of a neighborhood girl the reason, and she said that the family had moved elsewhere that day. He thanked her for the information and she replied, "That's why I stayed behind, Daddy!"[9]

During and after World War II

During World War II, his work on the automatic aiming and firing of anti-aircraft guns caused Wiener to investigate information theory independently of Claude Shannon and to invent the Wiener filter. (To him is due the now standard practice of modeling an information source as a random process--in other words, as a variety of noise.) His anti-aircraft work eventually led him to formulate cybernetics.[10] After the war, his fame helped MIT to recruit a research team in cognitive science, composed of researchers in neuropsychology and the mathematics and biophysics of the nervous system, including Warren Sturgis McCulloch and Walter Pitts. These men later made pioneering contributions to computer science and artificial intelligence. Soon after the group was formed, Wiener suddenly ended all contact with its members, mystifying his colleagues. This emotionally traumatized Walter Pitts, and led to his career decline. In their biography of Wiener, Conway and Siegelman suggest that Wiener's wife Margaret, who detested McCulloch's bohemian lifestyle, engineered the breach.[11]

Wiener later helped develop the theories of cybernetics, robotics, computer control, and automation. He discussed the modeling of neurons with John von Neumann, and in a letter from November 1946 von Neumann presented his thoughts in advance of a meeting with Wiener.[12]

Wiener always shared his theories and findings with other researchers, and credited the contributions of others. These included Soviet researchers and their findings. Wiener's acquaintance with them caused him to be regarded with suspicion during the Cold War. He was a strong advocate of automation to improve the standard of living, and to end economic underdevelopment. His ideas became influential in India, whose government he advised during the 1950s.

After the war, Wiener became increasingly concerned with what he believed was political interference with scientific research, and the militarization of science. His article "A Scientist Rebels" for the January 1947 issue of The Atlantic Monthly[13] urged scientists to consider the ethical implications of their work. After the war, he refused to accept any government funding or to work on military projects. The way Wiener's beliefs concerning nuclear weapons and the Cold War contrasted with those of John von Neumann is the major theme of the book John Von Neumann and Norbert Wiener.[14]

Wiener was a participant of the Macy conferences. He died, aged 69, in Stockholm, Sweden.

Awards and honors


Information is information, not matter or energy.

Wiener was an early studier of stochastic and noise processes, contributing work relevant to electronic engineering, electronic communication, and control systems.

Wiener is regarded as the originator of society.

Wiener's work with cybernetics influenced Gregory Bateson and Margaret Mead, and through them, anthropology, sociology, and education.[17]

In the mathematical field of probability, the "Wiener sausage" is a neighborhood of the trace of a Brownian motion up to a time t, given by taking all points within a fixed distance of Brownian motion. It can be visualized as a cylinder of fixed radius the centerline of which is Brownian motion.

Wiener equation

A simple mathematical representation of Brownian motion, the Wiener equation, named after Wiener, assumes the current velocity of a fluid particle fluctuates randomly.

Wiener filter

For signal processing, the Wiener filter is a filter proposed by Wiener during the 1940s and published in 1949. Its purpose is to reduce the amount of noise present in a signal by comparison with an estimation of the desired noiseless signal.

In mathematics

Wiener took a great interest in the mathematical theory of Brownian motion (named after Robert Brown) proving many results now widely known such as the non-differentiability of the paths. Consequently the one-dimensional version of Brownian motion was named the Wiener process. It is the best known of the Lévy processes, càdlàg stochastic processes with stationary statistically independent increments, and occurs frequently in pure and applied mathematics, physics and economics (e.g. on the stock-market).

Wiener's Tauberian theorem, a 1932 result of Wiener, developed Tauberian theorems in summability theory, on the face of it a chapter of real analysis, by showing that most of the known results could be encapsulated in a principle taken from harmonic analysis. In its present formulation, the theorem of Wiener does not have any obvious association with Tauberian theorems, which deal with infinite series; the translation from results formulated for integrals, or using the language of functional analysis and Banach algebras, is however a relatively routine process.

The Paley–Wiener theorem relates growth properties of entire functions on Cn and Fourier transformation of Schwartz distributions of compact support.

The Wiener–Khinchin theorem, (or Wiener – Khintchine theorem or Khinchin – Kolmogorov theorem), states that the power spectral density of a wide-sense-stationary random process is the Fourier transform of the corresponding autocorrelation function.

An abstract Wiener space is a mathematical object in measure theory, used to construct a "decent", strictly positive and locally finite measure on an infinite-dimensional vector space. Wiener's original construction only applied to the space of real-valued continuous paths on the unit interval, known as classical Wiener space. Leonard Gross provided the generalization to the case of a general separable Banach space.

The notion of a Banach space itself was discovered independently by both Wiener and Stefan Banach at around the same time.[18]

The Norbert Wiener Center for Harmonic Analysis and Applications (NWC) in the Department of Mathematics at the University of Maryland, College Park is devoted to the scientific and mathematical legacy of Norbert Wiener. The NWC website highlights the research activities of the Center. Further, each year the Norbert Wiener Center hosts the February Fourier Talks, a two-day national conference displaying advances in pure and applied harmonic analysis in industry, government, and academia.


Wiener wrote many books and hundreds of articles:[19]

  • 1914, "A simplification in the logic of relations". Proc. Camb. Phil. Soc. 13: 387–390. 1912–14.  Reprinted in  
  • 1930, Wiener, Norbert (1930). "Generalized harmonic analysis". Acta Math. 55 (1): 117–258.  
  • 1933, The Fourier Integral and Certain of its Applications Cambridge Univ. Press; reprint by Dover, CUP Archive 1988 ISBN 0-521-35884-1
  • 1942, Extrapolation, Interpolation and Smoothing of Stationary Time Series. A war-time classified report nicknamed "the yellow peril" because of the color of the cover and the difficulty of the subject. Published postwar 1949 MIT Press.])
  • 1948, Cybernetics: Or Control and Communication in the Animal and the Machine. Paris, (Hermann & Cie) & Camb. Mass. (MIT Press) ISBN 978-0-262-73009-9; 2nd revised ed. 1961.
  • 1950, The Human Use of Human Beings. The Riverside Press (Houghton Mifflin Co.).
  • 1958, Nonlinear Problems in Random Theory. MIT Press & Wiley.
  • 1964, Selected Papers of Norbert Wiener. Cambridge Mass. 1964 (MIT Press & SIAM)
  • 1964, God & Golem, Inc.: A Comment on Certain Points Where Cybernetics Impinges on Religion. MIT Press.
  • 1966, "Norbert Wiener 1894–1964". Bull. Amer. Math. Soc. 72 (1 Part 2). 1966.  Published in book form.
  • 1966, Generalized Harmonic Analysis and Tauberian Theorems. MIT Press.
  • 1993, Invention: The Care and Feeding of Ideas. MIT Press. 1993.   This was written in 1954 but Wiener abandoned the project at the editing stage and returned his advance. MIT Press published it posthumously in 1993.
  • 1976–84, The Mathematical Work of Norbert Wiener. Masani P (ed) 4 vols, Camb. Mass. (MIT Press). This contains a complete collection of Wiener's mathematical papers with commentaries.


  • 1959,The Tempter. Random House.


  • 1953. Ex-Prodigy: My Childhood and Youth. MIT Press.
  • 1956. I am a Mathematician. London (Gollancz).

Under the name "W. Norbert"

  • 1952 The Brain and other short science fiction in Tech Engineering News



  1. ^ "Norbert Wiener".  
  2. ^ "On June 2, 1964, Swami Sarvagatananda presided over the memorial service at MIT in remembrance of Norbert Wiener – scion of Maimonides, father of cybernetics, avowed agnostic – reciting in Sanskrit from the holy books of Hinduism, the Upanishads and the Bhagavad Gita." , Conway & Siegelman 2005, p. 329
  3. ^ Conway & Siegelman 2005, p. 45
  4. ^ Conway & Siegelman 2005, pp. 41–43
  5. ^ Conway & Siegelman 2005, p. 43
  6. ^ Conway & Siegelman 2005, pp. 43–44
  7. ^ Conway & Siegelman 2005, pp. 40, 45
  8. ^ Franklin biography. Retrieved on 2013-11-02.
  9. ^ Adams, Hass & Thompson 2008, p. 8
  10. ^ Conway & Siegelman 2005, p. 12
  11. ^ Conway & Siegelman 2005, pp. 223–7
  12. ^ Letters to Norbert Wiener in John von Neumann: Selected Letters, edited by Miklós Rédei, in History of Mathematics, Volume 27, jointly published by the American Mathematical Society and the London Mathematical Society, 2005
  13. ^ Wiener, Norbert (January 1947). "A Scientist Rebels". Atlantic Monthly. p. 46. 
  14. ^ Heims 1980
  15. ^ "National Book Awards – 1965". National Book Foundation. Retrieved 2012-03-05.
  16. ^ "Norbert Wiener Center for Harmonic Analysis and Applications".  
  17. ^ Heims, Steve P. (April 1977). "Gregory Bateson and the mathematicians: From interdisciplinary interaction to societal functions". Journal of the History of the Behavioral Sciences 13 (2): 141–159.  
  18. ^ "Note on a paper of M. Banach". Fund. Math. 4: 136–143. 1923.  See Albiac, F.;  
  19. ^ A full bibliography is given by the Cybernetics Society Publications of Norbert Wiener

Further reading

  • Adams, Colin; Hass, Joel; Thompson, Abigail (1998). How to Ace Calculus: The Streetwise Guide. New York: W.H. Freeman and Company. 
  • Almira, J. M. (2009). Norbert Wiener. Un matemático entre ingenieros [Nobert Wiener. A mathematician between engineers] (in Spanish). Madrid: Nivola Libros Y Ediciones Sl.  
  • Bluma, Lars (2005). Norbert Wiener und die Entstehung der Kybernetik im Zweiten Weltkrieg: eine historische Fallstudie zur Verbindung von Wissenschaft, Technik und Gesellschaft (Ph.D.). Münster.  
  • Bynum, Terrell W. "Norbert Wiener's Vision: The impact of "the automatic age" on our moral lives" (PDF). 
  • Conway, Flo; Siegelman, Jim (2005). Dark Hero of the Information Age: in search of Norbert Wiener, the father of cybernetics. New York: Basic Books.  
  • Faucheux, Michel; Wiener, Norbert (2008). le Golem et la cybernetique. Editions du Sandre. 
  • Hardesty, Larry (July–August 2011). "The Original Absent-Minded Professor - An MIT institution, Norbert Wiener did seminal work in control theory and signal processing". MIT News. 
  • Heims, Steve J. (1980). John Von Neumann and Norbert Wiener: From Mathematics to the Technologies of Life and Death. MIT Press.  
  • Heims, Steve J. (1993). Constructing a Social Science for Postwar America. The Cybernetics Group, 1946–1953. MIT Press.  
  • Ilgauds, Hans Joachim (1980). Norbert Wiener. Biographien hervorragender Naturwissenschaftler, Techniker und Mediziner 45. Teubner. .
  • Masani, P. Rustom (1990). Norbert Wiener 1894–1964. Birkhauser. 
  • Montagnini, Leone, 2005. Le Armonie del disordine]. Norbert Wiener Matematico-Filosofo del Novecento. Istituto Veneto di Scienze Lettere ed Arti, Venezia, 2005. XVI, 314 pp. ISBN 88-88143-41-6

A brief profile of Dr. Wiener is given in The Observer newspaper, Sunday, 28 January 1951.

External links

  • Norbert Wiener Center for Harmonic Analysis and Applications
  • Norbert Wiener and Cybernetics – Living Internet
  •  .
  • Norbert Wiener at the Mathematics Genealogy Project
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