UNIVERSITY OF MICHIGAN ANN ARBOR DEPARTMENT OF BOTANY September 14, 195 Professor Joshua Lederberg Department of Genetics The University of Wisconsin Madison 6, Wisconsin Dear Dr, Lederberg: This is in answer to your letter of August twenty- fifth regarding Ephrussi, Please pardon the late reply; I have been off on a little vacation in connection with the AIBS meetings, I appreciate very much your speaking to Ephrussti and I hope that we can work out something mutually satis- factory by way of bringing him to Ann Arbor, Your own visit was a high spot in the summer program at the University. I certainly hope that we may have you with us again soon. Please remember me to your wife. Kindest regards, a ยข t . K, L.. Jones Chairman k1j/bpt