Public Program. Lausanne (Switzerland), 27 April 1980.
Sorry, I do not know how to speak in French language. But Christine knows both the languages very well and I’m sure, she’ll be able to translate what I say very well. (Laughs…) Very shy, alright…I’m thankful to Grégoire for organizing this program, and for the nice introductory lecture he gave. I think I could not follow the whole of it, but quiet a lot I could understand what he is saying. […]