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}}</ref> medical psychologist working at the {{W|Bakırköy_Psychiatric_Hospital|Bakırköy Psychiatric Hospital}}, Robert College, Istanbul, <ref>{{REFweb |url=https://gezibilen.com/en/travelpoint/istanbul/bakirkoy-ruh-ve-sinir-hastaliklari-hastanesi |title=Bakırköy Mental and Neurological Diseases Hospital |last= |first= |init= |publisher= |date= |accessdate=2023-10-02}}</ref> who did the first study of the effects of [[circumcision]] on boys in the early 1960s.<ref>{{REFbook