WASHINGTON April 13, 1981 Mr. Joshua Lederberg President The Rockefeller University New York, New York 10021 Dear Joshua, Thanks for your recent note. It was good to hear from you. I'm glad to learn that you are keeping an eye on us. I share your concerns regarding the problems of planning ahead for contingencies. We look forward to getting a handle on these problems in the days ahead, and if we can use your help, I'll be sure to contact you. Sincerely, Daniel J. Murphy Admiral, USN (Ret) Chief of Staff