2101 CONSTlTUTlON AVENUE W**HINGTON 25. D. c. CABLE ADDRESS: NARECO TELEPHONE: EXECUTIYE 3.8 100 NATIONAL ACADEMY OF SCIENCES NATIONAL RESEARCH COUNCIL DIVISION OF BIOLOGY AND AGRICULTURE 7 February Dr. Marshall W. Nirenberg National Institutes of Health Bethesda, Maryland Dear Dr. Nirenberg: Enclosed is a draft copy of my column, called The Brownstone Tower, intended for publication in the March issue of the Journal of the Washington Academy of Sciences. I should be pleased if you would read it carefully and point out any errors you may find, particularly in the first paragraph on page 2, in which I try to describe the nature of your work. Please do not hesitate to treat it severely because I shall be grateful if you will prevent me from making mistakes. I mentioned the names of your associates and your superiors so that they can share with you whatever recognition may come to you as a result of this story. I hope you feel that I have been diplomatic in this matter and that I have not seriously distorted any of the facts presented. If you can, please telephone your suggestions so that I can submit the manuscript to the editor of the Journal as soon as possible. Sincerely yours, Frank L. Campbell Executive Secretary FLC: