Eugene Wigner Essay Topics

"The Unreasonable Effectiveness of Mathematics in the Natural Sciences" is the title of an article published in 1960 by the physicistEugene Wigner.[1] In the paper, Wigner observed that the mathematical structure of a physical theory often points the way to further advances in that theory and even to empirical predictions.

The miracle of mathematics in the natural sciences[edit]

Wigner begins his paper with the belief, common among those familiar with mathematics, that mathematical concepts have applicability far beyond the context in which they were originally developed. Based on his experience, he says "it is important to point out that the mathematical formulation of the physicist's often crude experience leads in an uncanny number of cases to an amazingly accurate description of a large class of phenomena". He then invokes the fundamental law of gravitation as an example. Originally used to model freely falling bodies on the surface of the earth, this law was extended on the basis of what Wigner terms "very scanty observations" to describe the motion of the planets, where it "has proved accurate beyond all reasonable expectations".

Another oft-cited example is Maxwell's equations, derived to model the elementary electrical and magnetic phenomena known as of the mid 19th century. These equations also describe radio waves, discovered by David Edward Hughes in 1879, around the time of James Clerk Maxwell's death. Wigner sums up his argument by saying that "the enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious and that there is no rational explanation for it". He concludes his paper with the same question with which he began:

The miracle of the appropriateness of the language of mathematics for the formulation of the laws of physics is a wonderful gift which we neither understand nor deserve. We should be grateful for it and hope that it will remain valid in future research and that it will extend, for better or for worse, to our pleasure, even though perhaps also to our bafflement, to wide branches of learning.

The deep connection between science and mathematics[edit]

Wigner's work provided a fresh insight into both physics and the philosophy of mathematics, and has been fairly often cited in the academic literature on the philosophy of physics and of mathematics. Wigner speculated on the relationship between the philosophy of science and the foundations of mathematics as follows:

It is difficult to avoid the impression that a miracle confronts us here, quite comparable in its striking nature to the miracle that the human mind can string a thousand arguments together without getting itself into contradictions, or to the two miracles of laws of nature and of the human mind's capacity to divine them.

Later, Hilary Putnam (1975) explained these "two miracles" as being necessary consequences of a realist (but not Platonist) view of the philosophy of mathematics.[2] However, in a passage discussing cognitive bias Wigner cautiously labeled as "not reliable", he went further:

The writer is convinced that it is useful, in epistemological discussions, to abandon the idealization that the level of human intelligence has a singular position on an absolute scale. In some cases it may even be useful to consider the attainment which is possible at the level of the intelligence of some other species.

Whether humans checking the results of humans can be considered an objective basis for observation of the known (to humans) universe is an interesting question, one followed up in both cosmology and the philosophy of mathematics.

Wigner also laid out the challenge of a cognitive approach to integrating the sciences:

A much more difficult and confusing situation would arise if we could, some day, establish a theory of the phenomena of consciousness, or of biology, which would be as coherent and convincing as our present theories of the inanimate world.

He further proposed that arguments could be found that might

put a heavy strain on our faith in our theories and on our belief in the reality of the concepts which we form. It would give us a deep sense of frustration in our search for what I called 'the ultimate truth'. The reason that such a situation is conceivable is that, fundamentally, we do not know why our theories work so well. Hence, their accuracy may not prove their truth and consistency. Indeed, it is this writer's belief that something rather akin to the situation which was described above exists if the present laws of heredity and of physics are confronted.

Peter Woit, a theoretical physicist, believes that this conflict exists in string theory, where very abstract models may be impossible to test in any foreseeable experiment. If this is the case, the "string" must be thought of either as real but untestable, or simply as an illusion or artifact of either mathematics or cognition.[3]

Responses to Wigner's original paper[edit]

Wigner's original paper has provoked and inspired many responses across a wide range of disciplines. These include Richard Hamming[4] in computer science, Arthur Lesk in molecular biology,[5]Peter Norvig in data mining,[6]Max Tegmark in physics,[7]Ivor Grattan-Guinness in mathematics[8] and Vela Velupillai in economics.[9]

Richard Hamming[edit]

Richard Hamming, an applied mathematician and a founder of computer science, reflected on and extended Wigner's Unreasonable Effectiveness in 1980, mulling over four "partial explanations" for it.[4] Hamming concluded that the four explanations he gave were unsatisfactory. They were:

1. Humans see what they look for. The belief that science is experimentally grounded is only partially true. Rather, our intellectual apparatus is such that much of what we see comes from the glasses we put on. Eddington went so far as to claim that a sufficiently wise mind could deduce all of physics, illustrating his point with the following joke: "Some men went fishing in the sea with a net, and upon examining what they caught they concluded that there was a minimum size to the fish in the sea."

Hamming gives four examples of nontrivial physical phenomena he believes arose from the mathematical tools employed and not from the intrinsic properties of physical reality.

  • Hamming proposes that Galileo discovered the law of falling bodies not by experimenting, but by simple, though careful, thinking. Hamming imagines Galileo as having engaged in the following thought experiment (the experiment, which Hamming calls "scholastic reasoning", is described in Galileo's book On Motion.[10]):

Suppose that a falling body broke into two pieces. Of course the two pieces would immediately slow down to their appropriate speeds. But suppose further that one piece happened to touch the other one. Would they now be one piece and both speed up? Suppose I tie the two pieces together. How tightly must I do it to make them one piece? A light string? A rope? Glue? When are two pieces one?

There is simply no way a falling body can "answer" such hypothetical "questions." Hence Galileo would have concluded that "falling bodies need not know anything if they all fall with the same velocity, unless interfered with by another force." After coming up with this argument, Hamming found a related discussion in Pólya (1963: 83-85).[11] Hamming's account does not reveal an awareness of the 20th century scholarly debate over just what Galileo did.

2. Humans create and select the mathematics that fit a situation. The mathematics at hand does not always work. For example, when mere scalars proved awkward for understanding forces, first vectors, then tensors, were invented.

3. Mathematics addresses only a part of human experience. Much of human experience does not fall under science or mathematics but under the philosophy of value, including ethics, aesthetics, and political philosophy. To assert that the world can be explained via mathematics amounts to an act of faith.

4. Evolution has primed humans to think mathematically. The earliest lifeforms must have contained the seeds of the human ability to create and follow long chains of close reasoning.

Max Tegmark[edit]

A different response, advocated by physicist Max Tegmark, is that physics is so successfully described by mathematics because the physical world is completely mathematical, isomorphic to a mathematical structure, and that we are simply uncovering this bit by bit.[7][13] The same interpretation had been advanced some years previously by Peter Atkins.[14] In this interpretation, the various approximations that constitute our current physics theories are successful because simple mathematical structures can provide good approximations of certain aspects of more complex mathematical structures. In other words, our successful theories are not mathematics approximating physics, but mathematics approximating mathematics.

Ivor Grattan-Guinness[edit]

Ivor Grattan-Guinness finds the effectiveness in question eminently reasonable and explicable in terms of concepts such as analogy, generalisation and metaphor.[8]

Related quotations[edit]

[W]ir auch, gleich als ob es ein glücklicher unsre Absicht begünstigender Zufall wäre, erfreuet (eigentlich eines Bedürfnisses entledigt) werden, wenn wir eine solche systematische Einheit unter bloß empirischen Gesetzen antreffen. [We rejoice (actually we are relieved of a need) when, just as if it were a lucky chance favoring our aim, we do find such systematic unity among merely empirical laws.].

— Immanuel Kant[15]

The most incomprehensible thing about the universe is that it is comprehensible.

— Albert Einstein[16]

How can it be that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality? [...] In my opinion the answer to this question is, briefly, this: As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

— Albert Einstein[17]

Physics is mathematical not because we know so much about the physical world, but because we know so little; it is only its mathematical properties that we can discover.

— Bertrand Russell[18]

There is only one thing which is more unreasonable than the unreasonable effectiveness of mathematics in physics, and this is the unreasonable ineffectiveness of mathematics in biology.

— Israel Gelfand[19]

Sciences reach a point where they become mathematized..the central issues in the field become sufficiently understood that they can be thought about mathematically..[by the early 1990s] biology was no longer the science of things that smelled funny in refrigerators (my view from undergraduate days in the 1960s)..The field was undergoing a revolution and was rapidly acquiring the depth and power previously associated exclusively with the physical sciences. Biology was now the study of information stored in DNA — strings of four letters: A, T, G, and C..and the transformations that information undergoes in the cell. There was mathematics here!

— Leonard Adleman, a theoretical computer scientist who pioneered the field of DNA computing[20][21]

We should stop acting as if our goal is to author extremely elegant theories, and instead embrace complexity and make use of the best ally we have: the unreasonable effectiveness of data.

— Peter Norvig[6]

See also[edit]


  1. ^Wigner, E. P. (1960). "The unreasonable effectiveness of mathematics in the natural sciences. Richard Courant lecture in mathematical sciences delivered at New York University, May 11, 1959". Communications on Pure and Applied Mathematics. 13: 1–14. Bibcode:1960CPAM...13....1W. doi:10.1002/cpa.3160130102. 
  2. ^Putnam, Hilary (1975). "What is Mathematical Truth?". Historia Mathematica. 2 (4): 529–543. doi:10.1016/0315-0860(75)90116-0. 
    Reprinted in Putnam, Hilary (1975). Mathematics, Matter and Method: Philosophical Papers. 1. Cambridge University Press. pp. 60–78. ISBN 0-521-20665-0. 
  3. ^"Not Even Wrong". Retrieved 2016-05-16. 
  4. ^ abHamming, R. W. (1980). "The Unreasonable Effectiveness of Mathematics". The American Mathematical Monthly. 87 (2): 81–90. doi:10.2307/2321982. 
  5. ^Lesk, A. M. (2000). "The unreasonable effectiveness of mathematics in molecular biology". The Mathematical Intelligencer. 22 (2): 28–37. doi:10.1007/BF03025372. 
  6. ^ abHalevy, A.; Norvig, P.; Pereira, F. (2009). "The Unreasonable Effectiveness of Data"(PDF). IEEE Intelligent Systems. 24 (2): 8–12. doi:10.1109/MIS.2009.36. 
  7. ^ abTegmark, Max (2007). "The Mathematical Universe". Foundations of Physics. 38 (2): 101–150. arXiv:0704.0646. Bibcode:2008FoPh...38..101T. doi:10.1007/s10701-007-9186-9. 
  8. ^ abGrattan-Guinness, I. (2008). "Solving Wigner's mystery: The reasonable (though perhaps limited) effectiveness of mathematics in the natural sciences". The Mathematical Intelligencer. 30 (3): 7–17. doi:10.1007/BF02985373. 
  9. ^Velupillai, K. V. (2005). "The unreasonable ineffectiveness of mathematics in economics". Cambridge Journal of Economics. 29 (6): 849–872. doi:10.1093/cje/bei084. 
  10. ^Van Helden, Albert (1995). "On Motion". The Galileo Project. Retrieved 16 October 2013. 
  11. ^Pólya, George; Bowden, Leon; School Mathematics Study Group (1963). Mathematical methods in science; a course of lectures. Studies in mathematics. 11. Stanford: School Mathematics Study Group. OCLC 227871299. 
  12. ^Folland, Gerald B.; Sitaram, Alladi (1997). "The Uncertainty Principle: A Mathematical Survey". Journal of Fourier Analysis and Applications. 3 (3): 207–238. doi:10.1007/BF02649110. 
  13. ^Tegmark, Max (2014). Our Mathematical Universe. Knopf. ISBN 978-0-307-59980-3. 
  14. ^Atkins, Peter (1992). Creation Revisited. W.H.Freeman. ISBN 0-7167-4500-3. 
  15. ^Immanuel Kant, Critique of Judgment, 1790.
  16. ^Einstein, Albert (March 1936). "Physics and Reality". Journal of the Franklin Institute. 221 (3): 349–382. Bibcode:1936FrInJ.221..349E. doi:10.1016/S0016-0032(36)91047-5. 
  17. ^Newman, James R. (1956). The World of Mathematics. Simon & Schuster. 
  18. ^Bertrand Russell (1927). An Outline of Philosophy. George Allen and Unwin. 
  19. ^"comments". Archived from the original on December 12, 2006. Retrieved 2009-08-10.  by Alexandre Borovik, November 26, 2006, discussing his own book Mathematics Under the Microscope, Alexandre Borovik, 2006
  20. ^Gene Genie
  21. ^Adleman, Leonard M. (1998). "Computing with DNA". Scientific American. 279 (2): 54–61. Bibcode:1998SciAm.279b..54A. doi:10.1038/scientificamerican0898-54. 

Further reading[edit]

Eugene Wigner and Fundamental Symmetry Principles

Patents·Resources with Additional Information ·Wigner Honored

"[Eugene P.] Wigner's great contribution to science, for which he won the Nobel Prize in Physics in 1963, was his insight into the fundamental mathematics and physics of quantum mechanics. He applied and extended the mathematical theory of groups to the quantum world of the atom; specifically, he used group theory to organize the quantum energy levels of electrons in atoms in a way that is now standard. With that mathematical approach to the atom, Wigner became one of the first to apprehend the deep implications of symmetry, which has since emerged as one, if not the, key principle of 20th-century theoretical physics. …

Wigner also played a prominent role in the effort to develop the atomic bomb and, later, to harness that same force to produce energy. It was Wigner, along with fellow Hungarian expatriate Leo Szilard, who persuaded Albert Einstein in 1939 to write the now-famous letter to President Roosevelt about the potential to produce vast amounts of energy from the element uranium.

In 1942 Wigner went on leave from Princeton to join the team at the University of Chicago working on the secret project to design the reactors to produce the first plutonium for nuclear weapons. He was one of the handful of scientists who witnessed the birth of the atomic age on Dec. 2 of that year when, in a squash court underneath the west stand of Staff Field, Enrico Fermi lit the first atomic fire, a crucial step toward the completion of the atomic bomb in 1945.

In the decades following the war, Wigner was a leader in the development of nuclear energy and a vigorous advocate of stepped-up civil defense to protect the American population from a nuclear attack. …

In addition to his work on the Princeton faculty and the atomic bomb project, Wigner served from 1964 to 1965 as the director of Civil Defense Research at Oak Ridge National Laboratory in Tennessee. He retired from active status on the Princeton faculty in 1971."

- Edited excerpts from Eugene P. Wigner


Resources with Additional Information

Additional information about Eugene Paul Wigner and his research is available in full-text and on the Web.


Absorption of Thermal Neutrons in Uranium, DOE Technical Report, September 26, 1941

Radioactivity of the Cooling Water, DOE Technical Report, March 1, 1943

Solutions of Boltzmann`s Equation for Mono-energetic Neutrons in an Infinite Homogeneous Medium, DOE Technical Report, November 30, 1943

Recalculation of the Critical Size and Multiplication Constant of a Homogeneous UO2 - D2O Mixtures, DOE Technical Report, February 11, 1944

On the Boundary Condition Between Two Multiplying Media, DOE Technical Report, April 19, 1944

Effect of the Temperature of the Moderator on the Velocity Distribution of Neutrons with Numerical Calculations for H as Moderator, DOE Technical Report, September 14, 1944

On the Variation of Eta with Energy in the 100-1000 ev Region, DOE Technical Report, November 1, 1949

The Magnitude of the Eta Effect, DOE Technical Report, April 25, 1951

Wigner Honored:


Additional Web Pages:

Eugene Wigner, 1902–1995, ORNL's 20th Century Superlative, ORNL Reporter, Number 43, November 2002

Eugene Paul Wigner, by Frederick Seitz, Erich Vogt, and Alvin M. Weinberg

ORNL Review, Eugene Wigner and Oak Ridge National Laboratory, Vol. 25, Nos. 3 and 4, 1992
Pages 4, 6 - 10, 14, 19, 28, 33 - 38, 47 - 48, 53, 57

Eugene Paul Wigner

Eugene Paul Wigner Papers


Credit: Argonne National
Laboratory, Courtesy AIP Emilio
Segrè Visual Archives

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