Rudolf Pohl

Rudolf Pohl (5 November 1924 – 1 December 2021) was a German Catholic prelate, musician, and choral conductor based at the Aachen Cathedral, where he led the Aachener Domchor to international recognition and revived a school for its boys' choir. He edited sacred music by Johannes Mangon, who had worked at the Cathedral in the 16th century. Provided by Wikipedia