English Zoologist to Speak on Growing Old

P.B. Medawar, professor of Zoology and dean of the Faculty of Science at the University of Birmingham, England, will give the first of two lectures on aging at 5 p.m. today in the Main Lecture Room, Biological Laboratories, as the John M. Prather Lecturer in Biology for 1949 in the Department of Biology.

Professor Medawar will deliver a series of lectures on "Studies on Growth, Individuality and Ageing." The second talk of general interest will be given at the same time and place Thursday.

Four additional Lectures of a more technical character will be given on succeeding Mondays and Thursdays, November 7, 10, 14 and 17, dealing with "Transplantation and Individuality" and "Problems of Growth and Form."