
Janna Levin is an American theoretical cosmologist and an associate professor of physics and astronomy at Barnard College. She earned a PhD in theoretical physics at the Massachusetts Institute of Technology in 1993, and a Bachelor of Science in astronomy and physics with a concentration in philosophy at Barnard College in 1988, where she graduated Phi Beta Kappa. Much of her work deals with looking for evidence to support the proposal that our universe might be finite in size due to its having a nontrivial topology. Other work includes black holes and chaos theory. She joined the faculty at Barnard College in January 2004 and is currently the recipient Tow Professor grant.
tvIronheart
2025 · Thanks
movieA Trip to Infinity
2022 · Self
tvEinstein and Hawking: Unlocking the Universe
2020 · Self - Professor of Physics and Astronomy
movieTimelapse of the Future: A Journey to the End of Time
2019 · Self - Narrator (archive sound)
movieBlack Hole Apocalypse
2018 · Self - Presenter
movieNOVA: The Great Math Mystery
2015 · Self
tvDara O Briain's Science Club
2012 · Herself