MALCOLM P. ALDRICH PRESIDENT DIVISION OF EDUCATION E.K.WICKMAN DIRECTOR THE COMMONWEALTH FUND HARKNESS HOUSE 1 EAST SEVENTY-FIFTH STREET NEW YORK 21, N. Y. TELEPHONE: LEHIGH 85-0400 HARKNESS HOUSE, LONDON 35 PORTMAN SQUARE, W. I. TELEPHONE: WELBECK 5223 LANSING V. HAMMOND ASSOCIATE S$. GORLEY PUTT MARTHA M. ENGLISH WARDEN ASSISTANT New York, January 31st, 1955 Professor Lederberg: I am so grateful to you for your prompt and helpful letter in support of Mr. Day's ap- plication for an extension of his Fellowship. Needless to say, what you wrote has made very pleasant reading, and I look forward to send- ing this case to the Fund's Executive Committee, Yours gratefully, Lansing v. How urourd Professor Joshua Lederberg Department of Genetics University of Wisconsin Madison 6, Wisconsin LVH: BM