Risshō Kōsei Kai
The Tokyo-based Niwano Peace Foundation was initiated by the Japanese citizen Nikkyō Niwano, founder of the Buddhist lay organization Risshō Kōsei Kai; he was one of the few non-Christian observers of the Second Vatican Council. His son, Nichiko Niwano, is his successor as chairman of the movement, which is dedicated to interreligious dialogue.