AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE : SCIENCE 1515 MASSACHUSETTS AVENUE, NW, WASHINGTON 5, D.C. © DUPONT 7-7171 10 February Professor Joshua Lederberg Department of Genetics Stanford University Medical Genter Palo Alto, California Dear Joshua: In reply to- yOyr letter of January 23, I should say that Dr. Anders nuscript on "The Moon as a Collector of Biological Material" has not yet gone to the printer. Consequently, I still have an opportunity to get his reaction to your comments before we commit ourselves any further. With best regards, Sincerely, Lee Blin Graham DuShane Editor GDuS: lw wm ln glen ey Ly