Gemma BlokGemma Blok is a professor in the History of Mental Health and Culture at the Open University of the Netherlands. Her areas of expertise are the histories of psychiatry, addiction treatment, and drug use. She was a principal investigator in the HERA-fnded project Governing the Narcotic City. Imaginaries, Practices and Discourses of Public Drug Cultures in European Cities from 1970 until Today. Read More Read Less