DRAFT Lt? KOHN: When I took my Ph.D. name of William Arnold. there was a fellow student by the And at the end of the war they reorganized the laboratory, the biology laboratory at Oak Ridge and Arnold became the associate Director. Since they wanted somebody there in the biology laboratory with a medical background to do work related to medical subjects, invited me two years to come down. And I did. there at Oak Ridge, I became he knew me and, therefore, And through that, interested spending in radiation biology. BERGE: What kinds of things did you do while you were at Oak Ridge? KOHN: I worked with rats and investigated the changes in the blood of rats following irradiation. BERGE: Anything else you want to say about that time period? KOHN: Well, wanted, I was then also in the Public Health Service. having a large ??? experience with man, I and so I asked the Public Health Service if I could work in some medically or directly oriented service. in Dr. Stone's department And they gave me permission to visit in San Francisco. So I went there and worked there for several years and then left the Public Health Service. Dr. Stone offered me a job in the radiological