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Reimagining Time: A Cyclic Universe

Friday, December 22, 2023
4:00 pm - 5:30 pm EST

A universe that continually expands has long been the dominant cosmological framework. But a universe that undergoes cycles of expansion and contraction, perhaps for all time, has recently been analyzed mathematically, and its proponents claim that it provides a more convincing cosmological paradigm. Join leaders of this renegade approach as they make the case for a new kind of cosmology that reimagines time.

This program is part of the Big Ideas series, supported by the John Templeton Foundation.


Brian GreenePhysicist, Author

Brian Greene is a professor of physics and mathematics at Columbia University, and is recognized for a number of groundbreaking discoveries in his field of superstring theory. His books, The Elegant Universe, The Fabric of the Cosmos, and The Hidden Reality, have collectively spent 65 weeks on The New York Times bestseller list.

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Peter GalisonHistorian of Science, Harvard
MacArthur Fellow

Peter Galison is the Pellegrino University Professor of the History of Science and of Physics at Harvard University. He is a leading historian of science whose research explores the interaction …

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Anna IjjasPhysicist, NYU
Lise Meitner Award

Anna Ijjas is a theoretical and computational physicist, working in gravitation and cosmology, whose research is aimed at the most fundamental questions about the universe: what is the mechanism that …

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Paul SteinhardtPhysicist, Princeton
Dirac Medalist

Paul J. Steinhardt is the Albert Einstein Professor in Science and Director of the Princeton Center for Theoretical Science at Princeton University, where he is also on the faculty of …

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