Christopher Isham

Christopher Isham

Christopher Isham is a theoretical physicist at Imperial College London. His main research interests are quantum gravity and foundational studies in quantum theory. He was the inventor of an approach to temporal quantum logic called the HPO formalism, and has worked on loop quantum gravity and quantum geometrodynamics. Together with John Baez, Isham is known as a proponent of the utility of category theory in theoretical physics.

Isham has appeared in several NOVA television programs as well as a film about Stephen Hawking. Physicist Paul Davies has described Isham as "Britain's greatest quantum gravity expert." As a practicing Christian, Isham has also written about the relationships among philosophy, theology, and physics.

See also


  • Isham, C. J., Physics, Philosophy, and Theology, 1988
  • Christopher Isham, "Quantum Theories of the Creation of the Universe," in R. Russell, N. Murphy and C. J. Isham (eds.), Quantum Cosmology and the Laws of Nature (Vatican City: Vatican Press, 1993), p. 74.
  • Christopher Isham, "Creation of the Universe as a Quantum Tunnelling Process," in (eds. R. J. Russell et al.), Physics, Philosophy and Theology (Vatican City: Vatican Press, 1988), pp. 375-408.
  • Isham, C. J. (1993), “Canonical Quantum Gravity and the Problem of Time”, in L. A. Ibort and M. A. Rodríguez (eds.), Integrable Systems, Quantum Groups, and Quantum Field theories. Dordrecht: Kluwer Academic Publishers, 157-288.
  • Isham, C. J., K. V. Kuchař, Representations Of Space-Time Diffeomorphisms. 2. Canonical Geometrodynamics," Annals Phys.164:316 (1985).
  • Isham, C. J. (1994), Prima facie questions in quantum gravity, in Ehlers and Friedrich 25 (1994), 1-21.
  • Isham, C. J. (1997), “Structural Issues in Quantum Gravity”, in M. Francaviglia et al. (eds.), Florence 1995, General Relativity and Gravitation, World Scientific.
  • Butterfield, Jeremy, and Chris Isham (1999), “On the Emergence of Time in Quantum Gravity”, in Butterfield (1999), 111-168.
  • Butterfield, Jeremy, and Christopher Isham (2001), “Spacetime and the Philosophical Challenge of Quantum Gravity”, in Callender and Huggett (2001), 33-89.

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