Christian Spannagel

Christian Spannagel (born 10 November 1976) is a German mathematician, computer scientist, university teacher and YouTuber from Rüsselsheim am Main. He studied computer science, with psychology as a minor, at the Technical University of Darmstadt from 1997 to 2003, also studied at the Ludwigsburg University of Education, and teaches at Heidelberg University of Education. His German-language YouTube channel, on which he publishes mathematics videos, had about 122,000 subscribers in July 2025.