THE JOHNS HOPKINS UNIVERSITY 
SCHOOL OF MEDICINE 
DEPARTMENT OF MICROBIOLOGY 
795 N. WOLFE STREET 
BALTIMORE, MARYLAND 21205 
December 20, 1979 
Dr. Donald Fredrickson, Director 
National Institutes of Health 
Bethesda, Maryland 20205 
Dear Dr. Fredrickson: 
I urge immediate adoption of the Proposed Recombinant DNA Research 
Guidelines published in the Federal Register of 11/30/79. In particular, 
Section III-O of p. 69218 is a very desirable change. It will do a great 
deal to advance medical research in genetics and biochemistry in areas 
likely to yield health benefits. The proposed change will also reduce the 
waste of public funds on construction of unnecessary P-3 facilities and 
waste of funds on unnecessary regulation. Our experience of six years and 
the experiments of Wallace P. Rowe, Malcolm Martin and others have shown 
that recombinant DNA experiments are safe and beneficial. 
Yours truly 
John F. Morrow, Ph,D, 
Assistant Professor of Microbiology 
JFM:mk 
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