Acknowledgement
I acknowledge the Danish Council for Independent Research (Grant no. 4001_00249A) for funding this research.
Disclosure statement
No potential conflict of interest was reported by the author.
Additional information
Notes on contributors
Simo Køppe
Køppe, S. is currently working as Professor in history and philosophy of science at the Department of Psychology, Copenhagen University. He received his Master of Arts degree in psychology in 1977, received a PhD in biology in 1991 and completed a doctoral thesis in medicine in 2004 (DMSc). He has written several books on psychoanalysis and edited (translation into Danish, commentary, introduction) Freud‘s metapsychology (2 vol.), case histories (5 vol.), papers on sexuality (1 vol.) and papers of therapy (1 vol.).