DOCUMENT SOURCE Lawrence Berkatay Laboratory Aschivas and Records Offica Reeords Series Title = {ke “1 Dati = ER ae el Accession No. File Code No. i =i - 14 turk Ohm very “much. in the act in those days, \nd ree Alvarez,’ you probably knowgie just got a prize. SSH: They were in charge of producing the isotope? KGS: They were running the original 3 "sere, cyclotron, which etre ord stickuw~ Wks Acul ek biggest mess of smpand wiresg, cages that youtsee, but it ran very well. the aad the -_~ (fe ran allday a made 14 microcurides, | eT aan r which is a very small amount of radioactive phosphorous y aa Why did they Become interested in doing biological experiments? Well, they’ had this machine and they were interested in doing anythingy that MT think they were probably interested in helping me, too. Ge we, went through Professor Lawrence for most of the support on that. (HEne finally enrew me out of the ateh because # was such a pest we ee phosphorous Lab, ft, i¢ -f shese th: eleson. lg SSH: Itve read that Ernest Lawrence, in the early and nideobivetes, was very interested in applying the cyclotron to biolcgical and medical purposes. KGS: souret of (a ah He was, Because Ee the only * aoney Wed! ings were very taghe in those days. They“nade and Laterf{more iritting in his office, I guess, radioactive phosphorous, Ne and I had a lot of proposals to make@for things we could he was at leose ends, do with radioactive phosphorous. GaPhs apparently, ‘and brought me back into the fold. He had an associate that te died. very recently, fadby the name of bona Cooks}, who ran things, He was the first Cookspy er, | Li . 1feutenant, I guess, in the Laboratory. pe NN SSBE Did you Have to go through him to get Lgsotopes?