Sabine Hossenfelder
German physicist turned science YouTuber; author of Lost in Math.
At a glance
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- Sabine Hossenfelder is a German science communicator and writer who worked for two decades as a theoretical physicist.
- She earned her doctorate at Goethe University Frankfurt in 2003.
- Her research covered quantum gravity, black holes and dark matter.
- She has written the blog Backreaction from 2006 onward, and her YouTube channel had 1.79 million subscribers in September 2026.
- Her books are Lost in Math (2018) and Existential Physics (2022).
Key facts
- Born
- Frankfurt, Germany1
- Education
- Mathematics and physics, Goethe University Frankfurt; doctorate in theoretical physics (2003)1
- Academic posts
- NORDITA, Stockholm (assistant professor, 2009); Frankfurt Institute for Advanced Studies (2015), leading the Analog Systems for Gravity Duals group; LMU Munich Center for Mathematical Philosophy (visiting, 2023 to 2025)1
- Books
- Lost in Math: How Beauty Leads Physics Astray (2018); Existential Physics (2022)1
- YouTube
- 1.79 million subscribers and about 378 million views (September 2026); her main activity as of 20241
Links
Sources
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