# List of quantum gravity researchers

Only people with blue links should be listed. This is a list of (some of) the researchers in quantum gravity who have Wikipedia articles.
* Jan Ambjørn: expert on dynamical triangulations who helped develop the causal dynamical triangulations approach to quantum gravity.
* Augusto Sagnotti: the physicist who demonstrated that perturbative quantum gravity diverges at two loops, and made a number of important contributions to string theory (most notably the discovery of the orientifold, which connects type I string theory to type IIB string theory).
* Giovanni Amelino-Camelia: physicist who developed the idea of doubly special relativity, and founded Quantum-Gravity phenomenology.
* Abhay Ashtekar: inventor of the Ashtekar variables, one of the founders of loop quantum gravity.
* John Baez: mathematical physicist who introduced the notion of spin foam in loop quantum gravity (a term originally introduced by Wheeler).
* Julian Barbour: philosopher and author of The End of Time, Absolute or Relative Motion?: The Discovery of Dynamics.
* John W. Barrett: mathematical physicist who helped develop the Barrett–Crane model of quantum gravity.
* Martin Bojowald: physicist who developed the application of loop quantum gravity to cosmology.
* Steve Carlip: expert on 3-dimensional quantum gravity.
* Louis Crane: mathematician who helped develop the Barrett–Crane model of quantum gravity.
* Bryce DeWitt: formulated the Wheeler–DeWitt equation for the wavefunction of the Universe with John Archibald Wheeler.
* Bianca Dittrich: mathematical physicist known for her contributions to loop quantum gravity and spin foam models, currently working on coarse-graining of spin foams.
* Fay Dowker: physicist working on causal sets as well as the interpretation of quantum mechanics.
* David Finkelstein: physicist who has contributed much quantum relativity and the logical foundations of QR.
* Laurent Freidel: mathematical physicist known for his contributions to loop quantum gravity and spin foam models, in particular the Freidel-Krasnov model.
* Rodolfo Gambini: physicist who helped introduce loop quantum gravity; coauthor of Loops, Knots, Gauge Theories and Quantum Gravity.
* Gary Gibbons: physicist who has done important work on black holes.
* Brian Greene: physicist who is considered one of the world's foremost string theorists.
* James Hartle: physicist who helped develop the Hartle-Hawking wavefunction for the universe.
* Stephen Hawking: leading physicist, expert on black holes and discoverer of Hawking radiation who helped develop the Hartle-Hawking wavefunction for the universe.
* Michał Heller: mathematical physicist, philosopher & theologian working on non-commutative geometry.
* Christopher Isham: physicist who focuses on conceptual problems in quantum gravity.
* Ted Jacobson: physicist who helped develop loop quantum gravity.
* Michio Kaku: physicist one of the foremost leading String theorist and also known for the Popular Science.
* Renate Loll: physicist who worked on loop quantum gravity and more recently helped develop the causal dynamical triangulations approach to quantum gravity.
* Luboš Motl: physicist who worked on string theory.
* Fotini Markopoulou-Kalamara: physicist who works on loop quantum gravity and spin network models that take causality into account.
* Roger Penrose: mathematical physicist who invented spin networks and twistor theory.
* Jorge Pullin: physicist who helped develop loop quantum gravity, co-author of Loops, Knots, Gauge Theories and Quantum Gravity.
* Carlo Rovelli: one of the founders and major contributors to loop quantum gravity.
* Lee Smolin: one of the founders and major contributors to loop quantum gravity.
* Rafael Sorkin: physicist, primary proponent of the causal set approach to quantum gravity.
* Andrew Strominger: physicist who works on string theory.
* Leonard Susskind: physicist who is considered to be one of the three fathers of string theory.
* Frank J. Tipler: mathematical physicist.
* Bill Unruh: physicist engaged in the study of semiclassical gravity and responsible for the discovery of the so-called Unruh effect.
* Cumrun Vafa: physicist and developer of F-theory, known for Vafa-Witten theorem and Gopakumar-Vafa conjecture.
* Robert Wald: physicist in the field of quantum field theory in curved spacetime.
* Anzhong Wang: physicist, major contributor to Horava-Lifshitz gravity; String theory and applications to cosmology.
* Paul S. Wesson: physicist, cosmologist and writer, known as founder of the "Space-time Consortium" and his work on Kaluza–Klein theory.
* John Archibald Wheeler: physicist in the field of quantum gravity due to his development, with Bryce DeWitt, of the Wheeler–DeWitt equation.
* Edward Witten: mathematical physicist in string theory and M-Theory