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John Archibald Wheeler

Lived 1911 – 2008.

General relativity was somewhat forgotten after the Second World War, but John Archibald Wheeler revived the interest of this scientific subject. He was one of the collaborators with none other than Elbert Einstein himself and he tried to achieve the vision of a unified field theory, which was proposed by Einstein.

Wheeler was an American theoretical physicist who worked with Niels Bohr to explain the principles of nuclear fission. He is responsible for the popularization of the term “black hole” and coining terms such as “wormhole” and “quantum foam.”

He was a professor at the Princeton University and was an influential figure who made significant contributions to gravitation and quantum mechanics.

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Early Life and Educational Background

John Archibald Wheeler was born on the 9th of July, 1911 in Jacksonville, Florida to his librarian parents Mabel Archibald Wheeler and Joseph Lewis Wheeler. In 1926, he finished his high school education from the Baltimore City College and in 1933, obtained his doctorate after finishing his studies at the John Hopkins University.

His research work and dissertation about the dispersion and absorption of helium had been carried out under the supervision of Karl Herzfeld, who was noted for his work on kinetic theory and ultrasonics.

Career Path

His career in the academe began in 1935 at the University of North Carolina at Chapel Hill as an associate professor. Three years later he moved to Princeton University, initially as an assistant professor and he remained at Princeton until 1976. After his time in Princeton, he worked at the University of Texas for ten years until 1986, where he was the director of The Center for Theoretical Physics.

Compared to other scholars who focused on their work for science, Wheeler gave a high importance to his teaching career. This was seen and proved because even after he was already a famous physicist, he still taught physics to freshmen as well as sophomore students with the view that young minds were the most important minds. Some of his most famous students were Kip Thorne, Richard Feynman, Jacob Bekenstein, and Hugh Everett. When Wheeler died in 2008, he had supervised more doctorates and senior undergraduates who were working on their theses compared to any other professor in Princeton’s physics department.

Contributions to Physics

Wheeler made a number of important contributions to physics, especially particle physics. In 1937 he introduced what is now known as the S-Matrix, which is now an indispensable tool for the study of particle physics. He was also one of the proponents of nuclear fission alongside Enrico Fermi and Niels Bohr. Two years after he devised the S-Matrix, he worked on the liquid drop model used for nuclear fission together with Niels Bohr.

The Manhattan Project and Wheeler’s Personal Involvement

Wheeler was 33 years old when he received a postcard from his brother, Joe, who was fighting in the front lines during the Second World War. The postcard had just two words and it read: “Hurry up.” Joe had been aware of what John Archibald was working on, and hoped that by this time, whatever comes from the nuclear fission experiments could also be used for the Second World War, and help end it.

He then worked as quickly as he possibly could on the Manhattan Project at the Hanford Site in Washington. When the project was completed, at Jornada del Muerto Desert in New Mexico, physicists detonated the first ever nuclear explosion in the history of mankind. In Hanford, John Archibald was hoping that he wasn’t too late in making this happen. Little did he know that around that time, his brother Joe had already been killed.

Wheeler was devastated after learning the news, and considered that if they had started earlier and completed sooner, he could have helped save millions of lives—including his brother Joe’s. After the conclusion of his work in the Manhattan Project, he returned to Princeton University to resume his academic career.

Latter Years

In 1957 Wheeler introduced the term “wormhole” to the scientific community. He had been working on mathematical extensions concerning the Theory of General Relativity when he described the wormholes as “tunnels” in the space-time continuum. He worked on geometrodynamics, which was concerned with electromagnetism and gravitation, focusing on the geometrical properties of the curved space-time continuum. Since his research was aimed at identifying matter and space, it was thought that geometrodynamics was the continuation of philosophy (of nature) as thought of by Spinoza and Descartes. However, the geometrodynamics idea of Wheeler was unable to explain some important observed physical phenomena such as why electrons, muons, and fermions exist. Because of this, he abandoned this theory in the 1970s.

He used the term black hole in 1967 when giving a talk at the NASA Goddard Institute of Space Studies. He was also a pioneer when it comes to quantum gravity, the “wave function of the universe.”

Wheeler requested the American Association for the Advancement of Science *(AAAS) in 1979 expel parapsychology, which he considered a pseudoscience. It had been admitted as a type of scientific field ten years earlier after Margaret Mead requested it. He said that he did not oppose the research which parapsychology does, but that it should have more convincing tests before being part of the AAAS. His request was not granted and parapsychology is still credited by the AAAS to this day.

He was awarded the Niels Bohr International Gold Medal in 1982. In 1997, he was awarded the Wolf Prize in Physics for his scientific contributions, which included the Participatory Anthropic Principle during his time at Princeton and for other significant contributions to physics. His autobiography ” Geons, Black Holes, and Quantum Foam: A Life in Physics” was published in 1998. On the 13th of April 2008 he died from pneumonia. He was 96, and he died in Hightstown, New Jersey.

Works

His major works include:

  • Gravitation Theory and Gravitational Collapse (1965)
  • Einstein’s Vision (1968)
  • Gravitation (1973)
  • Frontiers of Time (1979)
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Louis Agassiz | Maria Gaetana Agnesi | Al-BattaniAbu Nasr Al-Farabi | Alhazen | Jim Al-Khalili | Muhammad ibn Musa al-Khwarizmi | Mihailo Petrovic Alas | Angel Alcala | Salim Ali | Luis Alvarez | Andre Marie Ampère | Anaximander | Carl Anderson | Mary Anning | Virginia Apgar | Archimedes | Agnes Arber | Aristarchus | Aristotle | Svante Arrhenius | Oswald Avery | Amedeo Avogadro | Avicenna

Charles Babbage | Francis Bacon | Alexander Bain | John Logie Baird | Joseph Banks | Ramon Barba | John Bardeen | Charles Barkla | Ibn Battuta | William Bayliss | George Beadle | Arnold Orville Beckman | Henri Becquerel | Emil Adolf Behring | Alexander Graham Bell | Emile Berliner | Claude Bernard | Timothy John Berners-Lee | Daniel Bernoulli | Jacob Berzelius | Henry Bessemer | Hans Bethe | Homi Jehangir Bhabha | Alfred Binet | Clarence Birdseye | Kristian Birkeland | James Black | Elizabeth Blackwell | Alfred Blalock | Katharine Burr Blodgett | Franz Boas | David Bohm | Aage Bohr | Niels Bohr | Ludwig Boltzmann | Max Born | Carl Bosch | Robert Bosch | Jagadish Chandra Bose | Satyendra Nath Bose | Walther Wilhelm Georg Bothe | Robert Boyle | Lawrence Bragg | Tycho Brahe | Brahmagupta | Hennig Brand | Georg Brandt | Wernher Von Braun | J Harlen Bretz | Louis de Broglie | Alexander Brongniart | Robert Brown | Michael E. Brown | Lester R. Brown | Eduard Buchner | Linda Buck | William Buckland | Georges-Louis Leclerc, Comte de Buffon | Robert Bunsen | Luther Burbank | Jocelyn Bell Burnell | Macfarlane Burnet | Thomas Burnet

Benjamin Cabrera | Santiago Ramon y Cajal | Rachel Carson | George Washington Carver | Henry Cavendish | Anders Celsius | James Chadwick | Subrahmanyan Chandrasekhar | Erwin Chargaff | Noam Chomsky | Steven Chu | Leland Clark | John Cockcroft | Arthur Compton | Nicolaus Copernicus | Gerty Theresa Cori | Charles-Augustin de Coulomb | Jacques Cousteau | Brian Cox | Francis Crick | James Croll | Nicholas Culpeper | Marie Curie | Pierre Curie | Georges Cuvier | Adalbert Czerny

Gottlieb Daimler | John Dalton | James Dwight Dana | Charles Darwin | Humphry Davy | Peter Debye | Max Delbruck | Jean Andre Deluc | Democritus | René Descartes | Rudolf Christian Karl Diesel | Diophantus | Paul Dirac | Prokop Divis | Theodosius Dobzhansky | Frank Drake | K. Eric Drexler

John Eccles | Arthur Eddington | Thomas Edison | Paul Ehrlich | Albert Einstein | Gertrude Elion | Empedocles | Eratosthenes | Euclid | Eudoxus | Leonhard Euler

Michael Faraday | Pierre de Fermat | Enrico Fermi | Richard Feynman | Fibonacci – Leonardo of Pisa | Emil Fischer | Ronald Fisher | Alexander Fleming | John Ambrose Fleming | Howard Florey | Henry Ford | Lee De Forest | Dian Fossey | Leon Foucault | Benjamin Franklin | Rosalind Franklin | Sigmund Freud | Elizebeth Smith Friedman

Galen | Galileo Galilei | Francis Galton | Luigi Galvani | George Gamow | Martin Gardner | Carl Friedrich Gauss | Murray Gell-Mann | Sophie Germain | Willard Gibbs | William Gilbert | Sheldon Lee Glashow | Robert Goddard | Maria Goeppert-Mayer | Thomas Gold | Jane Goodall | Stephen Jay Gould | Otto von Guericke

Fritz Haber | Ernst Haeckel | Otto Hahn | Albrecht von Haller | Edmund Halley | Alister Hardy | Thomas Harriot | William Harvey | Stephen Hawking | Otto Haxel | Werner Heisenberg | Hermann von Helmholtz | Jan Baptist von Helmont | Joseph Henry | Caroline Herschel | John Herschel | William Herschel | Gustav Ludwig Hertz | Heinrich Hertz | Karl F. Herzfeld | George de Hevesy | Antony Hewish | David Hilbert | Maurice Hilleman | Hipparchus | Hippocrates | Shintaro Hirase | Dorothy Hodgkin | Robert Hooke | Frederick Gowland Hopkins | William Hopkins | Grace Murray Hopper | Frank Hornby | Jack Horner | Bernardo Houssay | Fred Hoyle | Edwin Hubble | Alexander von Humboldt | Zora Neale Hurston | James Hutton | Christiaan Huygens | Hypatia

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Mae Carol Jemison | Edward Jenner | J. Hans D. Jensen | Irene Joliot-Curie | James Prescott Joule | Percy Lavon Julian

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Hans Christian Oersted | Georg Ohm | J. Robert Oppenheimer | Wilhelm Ostwald | William Oughtred

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Chen-Ning Yang

Ahmed Zewail

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