Quack was born in 1959 in
Anrath. He studied
religious studies,
anthropology and
philosophy at the
University of Bayreuth. Later, he taught anthropology and religious studies at the
University of Heidelberg,
Lucerne,
Münster,
Tübingen and
Munich. He used to work at the Cluster of Excellence: Asia and Europe in a Global Context,
Heidelberg University as a post-doctoral researcher and
McGill University in
Montreal as a research fellow. His field of research includes religion, Hindu traditions, ritual theory, criticism of religion, and mental illness. He has done field work in India about religious tourism, non-religious group and psychosocial problems. ==Published works==