 Rank's name appeared underneath Freud's on the title page of Freud's greatest work from 1914 until 1930.Between 1915 and 1918, Rank served as Secretary of the International Psychoanalytical Association which Freud had founded in 1910.Everyone in the small psychoanalytic world understood how much Freud respected Rank and his prolific creativity in expanding psychoanalytic theory.