BERGE: Can you talk a little bit about what conditions were like to work under during those years? KOHN: Conditions in the early fifties were very good. There was money, and if you worked, any reasonably honest, good job, could get support. That probably isn't true today. I have no complaints whatsoever. I feel I was quite well treated by the Atomic Energy Commission. BERGE: Did you mostly follow your ownresearch, or were you able to choose yourtopics of research and then proceed or did you follow the program that the AEC had intended? - KOHN: I had complete authority. When Dr. Stone offered me the job, he did make the condition that I would determine the RBE of the synchrotron beam. In fact, we knew what it would be from the work on the other high energy machines, done before the synchrotron was ready. But other than that all the work was of my own design and choosing, and my junior collaborators were selected by me onthe basis that such topics would be congenial to them and that they were technically able to pursue them. BERGE: Can youtell mea little bit about Dr. Stone? How it was working for him, what type of personality he had? KOHN: Dr. Stone, from my point of view, was quite senior in 1950. I was aboutforty years old and Dr. Stone I suppose was aboutsixty. I don't know exactly. So I rather looked up to him,first, on the basis of age, and then Or because he was a very well knownfigure. He was a short man, gray haired ai