Timothy Garton Ash, a professor for European studies, lectures at the universities of Oxford, Berlin and Stanford. He heads the research project “Free Speech Debate” and is the author of the best-seller “Free Speech: Ten Principles for a Connected World”. Garton Ash is an influential commentator and an oft-cited historian; as such, he is an expert on current geopolitical challenges and on the wild phases of contemporary history. For the past 30 years he has been a regular contributor to the “Guardian” on the transformation of Europe. In 2005 Timothy Garton Ash was selected by “Time Magazine” as one of the world’s 100 most influential persons, and in 2016 he received the International Bridge Prize of the European City of Görlitz for his work.