MAY 8 1969 THE AUSTRALIAN NATIONAL UNIVERSIT BOX 4, G.P.O., CANBERRA, A.C.T _ oo DEPARTMENT CF MICROBIOLOGY - BS _ TELEPHONE : J 0422 = © oo. : TELEGRAMS AND CABLES _ ce “ NATUNIV" CANBERRA ond ey 1963 | ot Professor..J. Lederberg, Department of Genetica, . Stanford University, . _., STANFORD. = CALIFORNIA. o ~ Dear Josh: : |