English summary: Hans Wildberger was a professor of Old Testament studies and the history of religion at the University of Zurich. He became internationally known for his seminal Isaiah commentary, which was published between 1965 and 1982. In this book Frank Jehle tells of the life and work of Hans Wildberger, from his family background as a Neunkirch farmer's son until his death in Zurich. Particularly noteworthy is the time he spent as a parish...