 Thank you very much for giving me the opportunity to say a few words. I apologize for having not been here this morning. I was busy with something else. So I thought back when I first time met Yvonne Chocquebrewier, and actually the first time I met her was one time I was a student at Colby Technique. My teacher in analysis was Gustave Chocque, and I called Gustave for Gustave Chocque for seminar, and then she answered the phone. So that was my first exchange with Yvonne Chocquebrewier. Later in this year, actually the students organized a seminar on general activity, which was interesting because the person in charge was Bernard Moret, for some of you, that's a name that you think, and he did totally different things. Later on, he did geometry of Banner spaces, but he was the one organizing the seminar on general activity. So he was the one that Gustave Chocque told him that he should talk to Yvonne Chocquebrewier. I was not the one who did that, although I took part in the seminar, but that was it. And then my contact with her later on was really through the book that she wrote with Cecil Moret-Devitt, and also another author whom I forget always the name. But this book has been, for me, very important, because it showed a remarkable way of getting geometry and physics together. And I really used it quite extensively to learn new material and so on. And of course now the next moment where I really interacted with Yvonne Chocquebrewier and when I started to actually work on your paper, because you probably know I was one of the referees, so I spent a year just reading this 460 pages paper, which was a very challenging thing, but a fascinating thing. And of course then I looked back at what was the initial papers and so on. So I looked at Yvonne's paper that you quoted. By the way, just to prepare the lecture I gave in Vienna, I looked back at the contrary note that you wrote in 1950. I couldn't understand anything you were saying. Of course the paper itself, which is what 82 pages long, that you explained very clearly, I mean it's really a very sophisticated structure going from one step to the other and so on, which is remarkable at the time, because the methodology was not totally established. There were steps already, but there was a lot to... She really introduced a lot of new things on the basis of others, but nevertheless. And of course now I don't want to hold you too long. Something which was very important is when she retired, we knew and Thibault was instrumental in that that she would be interested in coming to HHS. So we made sure that she could come and she came very regularly, more or less once a week, and it was a fantastic opportunity to talk to her about math, but physics, but also other things. And one thing which struck me was really the way she was always finding the right words. I mean she was so specific about saying things the right way. It was amazing and really... And one instance which was exceptional was when she was chosen by Cecile David Moret, who got the légendeur, being officiée de la légendeur, she chose Yvonne as the person who would introduce her to this. And the speech she gave at that time, I just read it back because it's in my computer, it's just an amazing piece of clarity and really identifying what is really the key element. So we appreciated very much that she came. We had a fight with her because we wanted to pay her a taxi to come here because she was leaving not so close and she had to take two subways to come here. She always absolutely refused. There was no way we could convince her, and she was 80, she was 85, she was 90. No, she was still coming with using the subway. And you know the subway is not always so nice. I'm sure we had some bad experiences with that. So that was one thing. And we were very, very pleased that she accepted, on two occasions, to celebrate her when she turned 80 and almost 10 years ago when she turned 90. So the institute is very grateful for her because she also brought to the institute a number of collaborators, Moncriff and Stanley Dazer and a few others, and of course working with Thibault most of the time also. But she definitely brought some activities to the institute in a very direct way because of your influence, because of her also capacity to interact with people. So these were the words I wanted to say, to say how the great admiration I have for her. And just the way life goes, it just happens that I became quite close to her son, Daniel, who is a biologist, who got several of your sequence and is also a panel chair of ERC. So I met Daniel several times in Brussels and he was really also inherited from his mother, really being very precise and so on. Thank you very much.