Dr. Sabine Hossenfelder is a prominent German theoretical physicist known for her rigorous contributions to fundamental physics and exceptional science communication. Born in Frankfurt in 1976, she earned a Vordiplom (equivalent to a bachelor's degree) in mathematics from Goethe University Frankfurt in 1997, and a Diplom (equivalent to a master's degree) in physics from the same university in 2000 and completed her doctorate in theoretical physics in 2003 under Horst Stöcker, with research focused on microscopic black-hole production in models with large extra dimensions. Following postdoctoral positions at the GSI Helmholtz Centre for Heavy Ion Research, University of Arizona, UC Santa Barbara, and Perimeter Institute in Canada, she advanced to assistant professor at NORDITA in Stockholm in 2009. In 2015, she joined the Frankfurt Institute for Advanced Studies where she led the Analog Systems for Gravity Duals research group before affiliating with the LMU Munich Center for Mathematical Philosophy from 2023 to 2025.
Dr. Hossenfelder has authored more than 80 research papers spanning cosmology, quantum foundations, and particle physics, establishing herself as a thought leader in theoretical physics research. Her influential 2018 book 'Lost in Math: How Beauty Leads Physics Astray' critically examined the physics community's reliance on aesthetic principles, challenging conventional approaches to theoretical development and sparking significant debate within the field. She further expanded her intellectual reach with 'Existential Physics: A Scientist's Guide to Life's Biggest Questions' published in 2022, which systematically applies physical principles to address humanity's profound philosophical inquiries. Her YouTube channel, featuring clear explanations of complex physics concepts, has grown to 1.7 million subscribers and 293 million total views by April 2025, demonstrating her exceptional ability to translate advanced theoretical concepts for public understanding.
Beyond her academic publications, Dr. Hossenfelder maintains an influential presence through her long-running blog Backreaction and frequent contributions to prestigious publications including Nature, New Scientist, and Quanta Magazine. In 2019, she received the inaugural Award for Innovative Thinking from the Frankfurt Institute for Advanced Studies (FIAS), recognizing her dual contributions to theoretical physics research and public science communication. Her distinctive approach bridges the gap between academic physics and broader philosophical questions, often exploring the relationship between consciousness and the physical universe while maintaining scientific rigor. Dr. Hossenfelder continues to challenge the physics community to reconsider its methodological foundations while effectively communicating complex scientific concepts through multiple media platforms to global audiences.