a> JAN 2 8 1964 22 Rocklend Place New Rochelle, N.Y. 10801 Jenuary 27, 19€4 Dr. Joshua Lederberg Department of Genetics Stanford University School of Medicine Palo Alto, California Deer Dr. Lederterg; In an exchange of letters last summer J requested your permission to reproduce, in a forthcoming paper-back anthology to be called THE NEW MICROPIOLOGY (McGraw-Hill, 1964) a paper by Dr. Tatum and yourself, "GENE RECOMBINATION IN THE BACTERIUM ESCHERICHIA COLI", from JOURNAL OF FACTZKIOLOGY vol. 53, p.€73-€84. 1947. This, you will recsell, was to be shortened considerably to suit it to an undergraduate sudience. You indicated in reply that you would have no objection to my utilizing the paper unedited, tut hed some reservations about approving its use in con- densed form, and esked to see a copy of the article as edited, ~~ I wrote you on 24 Septemrer, enclosing a copy of the peper with the proposed chenges indiceted. re Because of the clessicsl importence of the so paper and also because of the high reputation of its authors aoe I would be especially hapyvy to be permitted to inelude this peper in THE NEW MICROBIOLOGY; and also your paper in Since reply to my letter of 24 September has not yet reached me, I venture to re-open the matter. Please let me know your decision at your earliest convenience, Very sincer ay yours, eo { , . o? / é #h. ple 6 Ht. NE. RLYSY