Jan Philipp Reemtsma is the founder and director of the Hamburg Institute for Social Research, which produces interdisciplinary scholarship on 20th-century German history. He is a professor at Johannes Gutenberg Foundation and was awarded the Schiller Professorship at Friedrich Schiller University, Jena. In addition to his new book, Trust and Violence, Reemtsma had previously published In the Cellar, an account of his experience of being taken hostage for forty-five days in 1996.