Brother David Steindl-Rast (b. 1926) is one of the most well-known spiritual teachers in the world. Born in Austria, he came to the United States after receiving his PhD in Psychology from the University of Vienna. As a member of the Benedictine Order of Catholic monks, he is known for pioneering work in interfaith dialogue (especially between Christianity and Buddhism), his promotion of the spiritual practice of gratefulness, and for his efforts to revitalize contemplative prayer life in the Catholic Church. He lectures frequently, both in the United States and abroad.