THIS year marks the passing of Pierre Janet. He died at the age of 87, having courageously passed through war and through family bereavement in the last few years. In 1906 he was invited to come to America to give a series of lectures at the opening of the new buildings of the Harvard Medical School. These lectures became his famous book, "The Major Symptoms of Hysteria."1 In 1936 he came back to Harvard's tercentenary and delivered a lecture, as full of sparkle and ideas as he was thirty years before. His work bridged the gap between centuries; with Freud and Meyer he brought psychologic medicine from its descriptive and classifying stage into its present dynamic state. His descriptions of psychic states were remarkable, but he was more interested in processes and in psychic developments. He did not believe in the arbitrary and artificial separation