"Hereditary Defects Causing Pseudohermaphrodites" - Andrea Prader, Lawson Wilkins Memorial Lecture, 1st Annual Meeting LWPES (1973)
Prof. Dr. Lawson Wilkins (Baltimore) was the 'inventor' of systematic early cosmetic surgeries on children born with 'atypical' sex anatomies in 1950, and name patron of the [LW]PES, founded 41 years ago, see additional sources above.
(Note the 4th Memorial Lecture 1972 (PDF) also focused on Wilkins and 'Sex Differentiation', and it's autor and Wilkins' protégé, Alfred Jost contributed as well to the 1958 version of Hugh Hampton Young's classic genital mutilators' bible titled "Hermaphroditism, Genital Anomalies and Related Adrenal Diseases" advocating cosmetic clitoris amputations on little girls, while Wilkins contributed the foreword.)
Prof. Dr. Andrea Prader (Zurich) was the motor behind the dissemination of these inhuman and cruel practices on intersex children in Europe, inventor of the infamous 'Prader Scale' (1954), founding member of ESPE 51 years ago, and name patron of ESPE's annual 'Andrea Prader Prize'.
[LW]PES and ESPE are still the biggest inviting perpetrators' societes of the '9th Joint Meeting of Paediatric Endocrinology 2013', and propagating Intersex Genital Mutilations a.k.a. 'DSD Therapies' is again a prominent feature, sparking peaceful protests in Milan (Italy), September 18-22.