Hermann Josef Roth

Hermann Josef Ludwig Roth (pseudonym: Antonius R.; author abbreviation: HJR) (b. 2 January 1938 at Montabaur) is a German theologian and scientist, cultural historian and historian of science, educator and monument preservation and nature conservation activist. He is a specialist in the area of mediaeval reform movements and is considered today’s foremost expert on the geography of the Rhineland region and on the life and work of the naturalist, Prince Maximilian of Wied-Neuwied, and his circle. Provided by Wikipedia