Sabine Hossenfelder

Sabine Karin Doris Hossenfelder is a German science communicator, writer, and YouTuber who previously worked as an academic theoretical physicist. After working as an academic physicist for two decades, Hossenfelder rose to prominence on YouTube in the early 2020s. By September 2026, her channel had 1.79 million subscribers. Hossenfelder is known for her controversial criticism of modern physics research.