At the beginning of the final lecture in Freud's 1933 publication, New Introductory Lectures on Psycho-Analysis, Freud declared summarily and triumphantly that psychoanalysis was a science. 'As a specialist science, a branch of psychology ... it is quite unfit to construct a Weltanschauung of its own: it must accept the scientific one.'1 This was a view he continued to stress as his career drew to a close. In 1940, seven years after the lecture on the Weltanschauung, he noted that psychology was ca natural science like any other', asking defiantly: (What else can it be?'2