MAY 19 1969 NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WASHINGTON, D.C. 20546 OFFICE OF THE ADMINISTRATOR MAY 1 6 1969 Dr. Joshua Lederberg Professor of Genetics School of Medicine Stanford University Medical Center Stanford, California 94305 Dear Dr. Lederberg: Thank you very much for your kindness in sending me your frank views and comments on the goals, objectives, and position of value of our space biology long range plan. Your thoughtful reply is being used in a revision which will be made a part of the National Aeronautics and Space Administration's long range plan to be reviewed by the Presidential Task Force. This will then serve as the basis for our future space biology program in NASA. The revised plan will also be submitted for review in depth at a special summer study on space biology being convened by the National Academy of Sciences, Space Science Board, at Santa Cruz, California, this July. 138MN3aN OH Your cooperation in providing your constructive and helpful remarks is greatly appreciated. a Sincerely yours, S28! Homer #. Newell Associate Administrator