 He had a direct experience of America, and of what he liked to call its "guided democracy", which was rare among Romanians of his generation, and which he recorded in detail in diaries he intended for publishing.He spent the first year in Chicago, the second at the Marine Biological Laboratory in Woods Hole and finishing by studying Anatomy and Embryology in 1927-1928 at University College Hospital Medical School, under Grafton Elliot Smith.His scientific activity, after his work on the dura mater, focused on three areas