In 1907, German dermatologist Iwan Bloch coined the term sexualwissenschaft to name the scientific study of human sexuality (in English: sexology). Since Bloch there were many significant pioneers in sexology (Hirschfeld, Ellis, Kinsey, Foucault, Masters, Johnson, Kaplan, Haeberle, Diamond, Granzig and others).
The World Health Organization’s reports (1975 & 2001) encouraged the development of sexology as a field of study in its own right. Human sexuality should be encouraged to develop as an autonomous discipline.
Haeberle & Gindorf wrote in 1993 that Sexology includes scientific disciplines and a set of therapeutic practices, training, and interventions that may be medical, psychotherapeutic, or educational.
Lemmer grounded sexology epistemological as a universal integral science of the behavioral (physical), intentional (psychological), social, cultural (including the spiritual) aspects of human sexuality with a w-holistic, inter-transactional, between and beyond the poles, basis theory (Introduction to Sexology by Johann Lemmer 2005).