Quantum Gravity: the first 25 years. Read the focus section published in Classical and Quantum Gravity.

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We invite you to read-for-free the CQG focus section reviewing 25 years of quantum gravity research.


This issue features 2 invited review articles from physicists who have been associated with String Theory and Loop Quantum Gravity from their inception. They were invited to write a retrospective review: What were the initial hopes? To what extent have these hopes been realised? What were the major successes, surprises, disappointments? The emphasis is on what has come OUT of the program rather than technical developments internal to the program. We hope that the reader, whatever her persuasion, will be able to form a panoramic view of quantum gravity research today within these two programmes.

Yours sincerely

Joseph Samuel
Editorial Board Member
Classical and Quantum Gravity