Career
Located in Berlin, it professes to function as a centralized research, documentation and information center on new religious movements. Hummel is also the author of many books about new religious movements. Subsequently, he worked as a pastor in Schleswig Holstein.
From 1966 until 1972 he led the Lutheranian theological college in Orissa, India.
Back in y he received a request to research Indian guru movements at the Ruprecht Karl University of Heidelberg. He received the right to lecture with his work "Indische Mission und neue Frömmigkeit im Westen.
Religiöse Bewegungen in westlichen Kulturen“, (literally: Indian mission and new piety in the West: religious movements in western cultures) that was published by the Kohlhammer group. From 1981 until 1994 he was director of the EZW. In his work he disagreed with the concept and explanatory model of Jugendreligion (literally youth religion) for new religious communities, as it was popularized by among others the author Friedrich-Wilhelm Haack (1935–1991).
In the beginning he fully rejected the controversial use of the word "sekte" (that is translated sometimes with "cult" but also as "sect" in ), but in his later works he recognized the justification of the concept in differentiated use.
He asserted that some of the groups monitored by the EZW had developed both in the society as well as in interfaith dialogue in a positive way, id est (that is) that they had decreased their original potential for conflict. This assertion was both respected and rejected.
