The chair Biography and publications Public lectures Annual summaries Audios and videos News Quick access Previous Opening lecture Next Presentation Created in 1992, the annual International Chair is designed to welcome, for one academic year, a leading scientist from an Eastern European country or from another continent. Find out more about the annual International Chair (1992-2008) Latest news All news Audiovisual treasures from the Collège de France : opening lectures to rediscover (5) Published on 3 May 2024 Audios and videos All audios and videos Celâl Sengör The history of a science is science itself : the case of tectonics 18 November 2004 Opening lecture Video Audio