a Roman Catholic theologian of Germany, was born July 29, 1819, at Wormersdorf, near Rheinbach; received holy orders in 1842; commenced his academical career at Bonn in 1854, and died a professor of theology there, May 4, 1881, leaving, Geschichtliche Nachrichten uber die Aachener Heiligthumer (Bonn, 1855): — Die Papstwahlen unter den Ottonen (Freiburg, 1858): — Die Uebertragung der heiligen Dreikonige von Mailand nach Koln (Cologne, 1864): — Das kloster Rolandswerth bei Bonn (ibid. 1868), (B.P.)