Presentations on the occasion of Val Telegdi's 65th birthday; 1, CP-violation, status and prospects

Introduction by V. F. WEISSKOPF. 1- B. WINSTEIN tells about current understanding and experiments that are exclusively the ones that have results in Ko. Then he tells about the possible futur experiments with heavy flavours and Ko and concludes with closing remarks. 2- Prof. L. MICHEL speaks about the evolution of physics and the increasing role of mathematics. 3- Prof. GELL-MANN tells about the meaning of quantum mechanic, and tries to mka people understand how it underligns all kind of science.