Ree Memo from JOSHUA LEDERBERG ROFESSOR JOSHUA LEDERBERG Department of Genetics School of Medicine Stanford University Stanford, California 94305 WITH THE COMPLIMENTS a : OF sO Lf PROFESSOR G. L. ADA / / WESEEBF MICROBIOL SOHN CURTIN SCHOOL O OGY DEPARTMENT ~ MEDICAL RESEARCH AUSTRALIAN NATIONAL UNIVERSITY CANBERRA 22 G0 | KET, freifre a9 “Way