August 22, 1969 Dr. Klaus Mampell International R & D Incorporated 3 Neukoeliner Strasse 6200 Wiesbaden - West Germany Dear Dr. Mampell, Thank you for your letter of August 4th and the suggestion about supporting research on microbial strains to eliminate toxic odes. I do not think this is an area that we can get into but I y make some inquirges among some of my colleagues and if they are interested they will contact you directly. I think you might also find it worthwhile to contact Dr. Jospph Lein at the Bristol Laboratories, Syracuse, New York since they have established excellent contractual relationships with a number of Japanese microbiological laboratories who may be very well equipped to this kind of work. May I also make a brief technical suggestion namely that the search for tolerant organisms concentrate on the enrichment of naturally occurring forms, for example in dye-contaminatédgponds rather than start ab initio with the prospects of selecting degradatéte mutants. Sincerely yours, Joshua Lederberg Professor of Genetics JL/rr Tad My W