| Description | Is enclosing chapter on biogenesis - has suggested a few alterations - he has streptomycin galley and will send additions before middle of June - expects to be in Oxford at beginning of term - Winterstein can get 200 mg of penicillin X - will collect this on his return to New York - comments on laboratory and on clearance ha had to get from Security - most of work in Donner laboratories is concerned with radioactive carbon - discusses work on radioactove carbon and on amino acids - comments on medical hazards of work with radioactive carbon - will find out about automatic fraction collecting machine - comments on International House - comments on Courtnay Phillips. |