1400, roughly, sorry, roughly 2000 jewish scientists, chemists, mathematicians were forced out of their jobs. That included 14 nobel Prize Winners by the way. The ones that could get out all went to places like the United States england and russia. All enemies of germany and the Second World War and that had a very great effect. So lots of loathing politics, ego, but you never have had that in science. Exactly. [laughter] this is why i write this kind of work. Its very hard and maybe this is the exception, maybe you could pick up a science book and read it but very few people what to do that anymore. And i see this kind of work, putting science in the context of an interesting story, and instructive story as we get people to be interested in learning science. Has it happened again . Theres enormous, of course people are often loyal with the line academic politics are the most vicious because theres so little at stake. It goes on and on. My next book, one help will be out this fall, sor