Physics topic timeline
Relativity Timeline
Records in the Physics collection relating to relativity, relativistic physics and the development or testing of relativistic ideas.
About this Relativity timeline
Follow the development of special and general relativity, spacetime, gravitational theory and experimental tests represented in the archive.
This page contains 82 records spanning 1842–2020. Frequently represented countries include Germany, United States of America, Great Britain, Switzerland, Austria. Example event labels include Doppler Effect, Relativity, Theory of, Electromagnetic Mass-Energy, Special Relativity, Mass-Energy Equivalence.
Physicists frequently represented in these records
Timeline records
| Date | Person | Event | Place | Description |
|---|---|---|---|---|
| 1842 | Christian Andreas Doppler Physicist and Mathematician | Doppler Effect | Prague, Austria | Presents the principle that observed frequency changes with relative motion. |
| 1887 | Albert Abraham Michelson Physicist | Relativity, Theory of | Cleveland, United States of America | Michelson carries out interferometer measurements that challenge the idea of a stationary luminiferous ether |
| 1887 | Edward Williams Morley Chemist | Relativity, Theory of | Cleveland, United States of America | Morley works with Michelson on the ether drift experiment later treated as an important background to special relativity |
| 1889 | George Francis FitzGerald Physicist | Relativity, Theory of | Dublin, Ireland | FitzGerald proposes length contraction as a way to explain the null result of ether drift experiments |
| 1892 | Hendrik Antoon Lorentz Physicist | Relativity, Theory of | Leiden, Netherlands | Lorentz develops electron theory and uses contraction ideas in attempts to account for electromagnetic experiments |
| 1895 | Hendrik Antoon Lorentz Physicist | Relativity, Theory of | Leiden, Netherlands | Lorentz introduces local time in electromagnetic theory, a step toward the later Lorentz transformations |
| 1898 | Henri Poincare Mathematician | Relativity, Theory of | Paris, France | Poincare discusses the conventional nature of simultaneity and the synchronization of distant clocks |
| 24 September 1904 | Henri Poincare Mathematician | Relativity, Theory of | St Louis, France | Poincare states a principle of relativity in a lecture on the future of mathematical physics |
| 1904 | Friedrich Hasenohrl Physicist | Electromagnetic Mass-Energy | Vienna, Austria | Explores the relationship between electromagnetic energy and mass before relativity. |
| 1904 | Hendrik Antoon Lorentz Physicist | Relativity, Theory of | Leiden, Netherlands | Lorentz publishes transformations that preserve the form of Maxwells equations for moving systems |
| 30 June 1905 | Albert Einstein Physicist | Special Relativity | Bern, Switzerland | Submits On the Electrodynamics of Moving Bodies, establishing the special theory of relativity. |
| 27 September 1905 | Albert Einstein Physicist | Mass-Energy Equivalence | Bern, Switzerland | Submits the paper deriving the relation between mass and energy from special relativity. |
| 1905 | Henri Poincare Mathematician | Relativity, Theory of | Paris, France | Poincare publishes work on the dynamics of the electron using Lorentz transformations and relativistic ideas |
| 1907 | Albert Einstein Physicist | Equivalence Principle | Bern, Switzerland | Formulates the equivalence principle, a decisive step toward a relativistic theory of gravitation. |
| 21 September 1908 | Hermann Minkowski Mathematician | Spacetime | Cologne, Germany | Minkowski presents spacetime geometry and recasts special relativity in four dimensional form |
| 1909 | Max Planck Physicist | Special Relativity | Berlin, Germany | Planck promotes and develops relativistic dynamics after Einstein and helps establish special relativity among physicists |
| 1912 | Albert Einstein Physicist | Tensor Calculus Collaboration | Zurich, Switzerland | Works with Marcel Grossmann to master tensor calculus for a relativistic theory of gravitation. |
| 1912 | Marcel Grossmann Mathematician | General Relativity | Zurich, Germany | Grossmann introduces Einstein to tensor calculus needed for a relativistic theory of gravitation |
| 1913 | Albert Einstein Physicist | Entwurf Theory | Zurich, Switzerland | Publishes the Entwurf gravitational theory with Marcel Grossmann as an intermediate step toward general relativity. |
| 1913 | Marcel Grossmann Mathematician | General Relativity | Zurich, Germany | Grossmann coauthors the Entwurf theory and supplies mathematical tools for Einsteins gravitational research |
| 4 November 1915 | Albert Einstein Physicist | Restricted Covariance Equations | Berlin, Germany | Presents revised gravitational field equations to the Prussian Academy during his final push toward general relativity. |
| 20 November 1915 | David Hilbert Mathematician | General Relativity | Gottingen, Germany | Hilbert submits a variational treatment of gravitational field equations during the final formulation of general relativity |
| 25 November 1915 | Albert Einstein Physicist | General Relativity Field Equations | Berlin, Germany | Presents the final generally covariant gravitational field equations to the Prussian Academy. |
| 1915 | Albert Einstein Physicist | Göttingen Relativity Lectures | Göttingen, Germany | Lectures on gravitation in Göttingen, stimulating intense discussion with leading mathematicians. |
| December 1916 | Albert Einstein Physicist | Relativity: The Special and General Theory | Berlin, Germany | Publishes his popular introduction to special and general relativity. |
| 1916 | Johannes Droste Physicist | General Relativity | Leiden, Netherlands | Droste independently derives the exterior solution for a spherical gravitational field in general relativity |
| 1916 | Albert Einstein Physicist | Foundation of General Relativity | Berlin, Germany | Publishes a systematic presentation of the general theory of relativity and its field equations. |
| 1916 | Albert Einstein Physicist | German Physical Society Presidency | Berlin, Germany | Serves as president of the German Physical Society during the consolidation of general relativity. |
| 1918 | Albert Einstein Physicist | Zurich Guest Lectures | Zurich, Germany | Returns to Zurich for guest lectures while continuing work on relativity and quantum theory. |
| 1918 | Josef Lense Physicist | Frame Dragging | Vienna, Austria | Lense calculates relativistic frame dragging effects caused by rotating masses |
| 1918 | Hans Thirring Physicist | Frame Dragging | Vienna, Austria | Thirring works with Lense on the dragging of inertial frames predicted by general relativity |
| 1919 | Albert Einstein Physicist | International Scientific Fame | Berlin, Germany | Becomes internationally famous after eclipse observations are widely reported as confirming general relativity. |
| 5 May 1920 | Albert Einstein Physicist | Ether and Relativity Lecture | Leiden, Germany | Delivers the lecture Ether and the Theory of Relativity, redefining the concept in gravitational terms. |
| 1920 | Albert Einstein Physicist | Anti-Relativity Campaign | Berlin, Germany | Publicly confronts organized attacks on relativity amid growing political and antisemitic hostility. |
| 9 June 1921 | Albert Einstein Physicist | Manchester Honorary Doctorate and Relativity Lecture | Manchester, Germany | Receives an honorary Doctor of Science degree from the University of Manchester and lectures on relativity. |
| 1921 | Albert Einstein Physicist | Princeton Stafford Little Lectures | Princeton, Germany | Delivers four Stafford Little Lectures explaining special and general relativity. |
| 14 December 1922 | Albert Einstein Physicist | Kyoto Relativity Lecture | Kyoto, Germany | Explains how he developed the theory of relativity in a lecture at Kyoto University. |
| 1922 | Albert Einstein Physicist | Japan Lecture Tour | Japan, Germany | Travels through Japan giving lectures and public talks on relativity and modern physics. |
| 1922 | Albert Einstein Physicist | The Meaning of Relativity | Princeton, Germany | The Meaning of Relativity is published from the four lectures Einstein delivered at Princeton in May 1921. |
| 1922 | Enrico Fermi Physicist | Relativity Research | Pisa, Italy | Publishes work on relativistic mechanics and electrodynamics during the period immediately following completion of his doctorate. |
| 7 February 1923 | Albert Einstein Physicist | Jerusalem Relativity Lecture | Jerusalem, Germany | Lectures in French on relativity during his visit to British Mandate Palestine. |
| 13 February 1923 | Albert Einstein Physicist | Jerusalem German Lecture | Jerusalem, Germany | Gives a second Jerusalem lecture on relativity, this time in German. |
| 11 July 1923 | Albert Einstein Physicist | Nobel Lecture | Gothenburg, Germany | Delivers his Nobel lecture on fundamental ideas and problems of relativity. |
| 1923 | Hermann Weyl Mathematician | Relativity, Theory of | Zurich, Germany | Weyl develops mathematical approaches to relativity and field theory that influence later gravitational research |
| 30 November 1925 | Albert Einstein Physicist | Copley Medal | London, Germany | Awarded the Royal Society's Copley Medal for relativity and contributions to quantum theory. |
| 1926 | Oskar Benjamin Klein Theoretical Physicist | Klein-Gordon Equation | Copenhagen, Sweden | Co-develops a relativistic wave equation for spin-zero particles. |
| 1926 | Oskar Benjamin Klein Theoretical Physicist | Relativistic Wave Equation | Copenhagen, Sweden | Extends quantum wave mechanics to particles moving near light speed. |
| 1926 | Llewellyn Thomas Physicist | Thomas Precession | Cambridge, Great Britain | Derives the relativistic precession that resolves the factor needed in electron spin-orbit coupling. |
| 1928 | Paul Adrien Maurice Dirac Physicist | Relativistic Electron Equation | Cambridge, Great Britain | Formulates a relativistic quantum equation for the electron that naturally incorporates spin and implies antimatter states. |
| 1930 | Nevill Francis Mott Physicist | Relativistic Electron Scattering | Cambridge, Great Britain | Develops a quantum treatment of electron scattering by atoms that includes electron spin and relativistic effects. |
| 1931 | Subrahmanyan Chandrasekhar Physicist | White Dwarf Theory | Cambridge, India | Chandrasekhar develops and publishes relativistic models of degenerate stars that establish a limiting mass for white dwarfs. |
| 1931 | Albert Einstein Physicist | Oxford Rhodes Lectures | Oxford, Germany | Gives three Rhodes Memorial Lectures on relativity, cosmology and his latest work in theoretical physics. |
| December 1933 | Paul Adrien Maurice Dirac Physicist | Nobel Prize for Quantum Electron Theory | Stockholm, Great Britain | Shares the Nobel Prize in Physics for new forms of atomic theory that include relativistic electron states. |
| 1933 | Paul Adrien Maurice Dirac Physicist | Nobel Prize | Stockholm, Great Britain | Shares the Nobel Prize in Physics for developing new productive forms of atomic theory, including a relativistic quantum theory of the electron. |
| 15 May 1935 | Albert Einstein Physicist | Franklin Medal | Philadelphia, Switzerland | Receives the Franklin Medal in recognition of his work in relativity and the photoelectric effect. |
| 1935 | Albert Einstein Physicist | Einstein-Rosen Bridge | Princeton, Switzerland | With Nathan Rosen, studies bridge solutions in general relativity connecting two sheets of spacetime. |
| 1937 | Albert Einstein Physicist | Einstein-Infeld-Hoffmann Collaboration | Princeton, Switzerland | Works with Leopold Infeld and Banesh Hoffmann on deriving equations of motion from general relativity. |
| 1938 | Albert Einstein Physicist | Einstein-Infeld-Hoffmann Equations | Princeton, Switzerland | Publishes work deriving approximate equations of motion for gravitating bodies from general relativity. |
| 1939 | J Robert Oppenheimer Physicist | Gravitational Collapse | Berkeley, United States of America | Oppenheimer analyzes continued gravitational collapse as an implication of general relativity |
| 1939 | Hartland Snyder Snyder Physicist | Gravitational Collapse | Berkeley, United States of America | Snyder coauthors the relativistic collapse model showing how a massive star can pass within its Schwarzschild radius |
| 1947 | Herbert Pollock Physicist | Synchrotron Radiation from Electrons | Schenectady, United States of America | Participates in the first observation of visible synchrotron radiation emitted by relativistic electrons circulating in a synchrotron. |
| 1947 | Erwin Rudolf Josef Alexander Schrodinger Director | General Relativity Research | Dublin, Austria | Continues mathematical investigations into general relativity and attempts to formulate unified descriptions of gravitation and electromagnetism. |
| 1948 | Kurt Godel Mathematician | Cosmology | Princeton, United States of America | Godel discovers a rotating universe solution of general relativity with closed timelike curves |
| 1950 | Dennis William Sciama Physicist | Relativity, Theory of | Cambridge, Great Britain | Sciama promotes Machs principle and gravitational theory questions that shape British relativity research |
| 1955 | Amal Kumar Raychaudhuri Physicist | Raychaudhuri Equation | Calcutta, India | Raychaudhuri derives the focusing equation that later becomes central to the singularity theorems of general relativity. |
| January 1957 | John Archibald Wheeler Physicist | Quantum Gravity | Chapel Hill, United States of America | Discusses singularities and the need for quantum gravity beyond classical general relativity. |
| 1959 | Robert Vivian Pound Physicist | Gravitational Redshift | Harvard University, United States of America | Pound measures gravitational redshift on Earth and tests a key prediction of general relativity |
| 1959 | Glen Rebka Physicist | Pound-Rebka Experiment | Harvard University, United States of America | Confirms gravitational redshift in a laboratory test of general relativity. |
| 1962 | Ennackal Chandy George Sudarshan Physicist | Faster-than-light Particles | United States, India | E. C. G. Sudarshan and collaborators publish a theoretical analysis showing how hypothetical faster-than-light particles can fit within special relativity. |
| 16 November 1964 | Gerald Guralnik Theoretical Physicist | Higgs Boson | London, Great Britain | Coauthors a third independent 1964 paper explaining spontaneous symmetry breaking in relativistic gauge theory and the generation of gauge-boson masses. |
| 1964 | Irwin Ira Shapiro Physicist | Shapiro Time Delay | Cambridge Massachusetts, United States of America | Predicts a measurable relativistic delay in planetary radar signals. |
| 1971 | Robert V Wagoner Physicist | Relativity, Theory of | Stanford University, United States of America | Wagoner develops post Newtonian calculations used to test general relativity with solar system observations |
| 1976 | William George Unruh Physicist | Relativity, Theory of | Vancouver, Great Britain | Unruh predicts that accelerated observers detect thermal radiation, connecting quantum theory and relativity |
| 1980 | Alan Harvey Guth Physicist | Inflation | Stanford Linear Accelerator Center, United States of America | Guth proposes inflation, using relativistic field theory to address early universe problems |
| 1981 | Andrei Dmitriyevich Linde Physicist | Inflation | Moscow, Russia | Linde develops new inflation as a relativistic early universe model |
| 12 May 1982 | Francois Englert Theoretical Physicist | Francqui Prize | Brussels, Belgium | Receives the Francqui Prize for major contributions including spontaneous symmetry breaking, quantum field theory, statistical physics, relativity and cosmology. |
| 1982 | Alexei Alexandrovich Starobinsky Physicist | Inflation | Moscow, Russia | Starobinsky develops an inflationary model from corrections to general relativity |
| 1986 | Clifford Martin Will Physicist | Relativity, Theory of | Washington University, United States of America | Will synthesizes experimental tests of general relativity and parameterized post Newtonian theory |
| 1989 | Joseph Hooton Taylor Physicist | Binary Pulsar | Princeton, United States of America | Taylor reports precise orbital decay measurements matching general relativitys gravitational wave prediction |
| 20 April 2004 | Francis Everitt Physicist | Gravity Probe B | Vandenberg Air Force Base, United States of America | Leads the mission launched to test geodetic precession and frame dragging predicted by general relativity. |
| 2010 | Peter Ware Higgs Theoretical Physicist | Higgs Boson | Washington, Great Britain | Shares the J. J. Sakurai Prize for work explaining spontaneous symmetry breaking in relativistic gauge theory. |
| 6 October 2020 | Roger Penrose Mathematician | Nobel Prize | Stockholm, Great Britain | Awarded the Nobel Prize in Physics for showing that black hole formation is a robust prediction of general relativity. |