Werner Rittberger (born 14 July 1891 in Berlin, Germany; died 12 August 1975 in Krefeld, Germany) was a German figure skater. Rittberger invented the Loop jump in 1910. German (and most other European) figure skaters call this jump “Rittberger”. Rittberger won the German Nationals eleven times between 1911 and 1928, and the silver medal at the World Figure Skating Championships in 1910, 1911, and 1912. He skated for the Berliner SC club representing Germany. After World War II he became a figure skating coach in Krefeld. Results References Sources DEV 1890-1990, book Werner Rittberger at Sports Reference Der Eissport, 1922, No. 1 1891 births 1975 deaths German male single skaters Figure skaters at the 1928 Winter Olympics Olympic figure skaters of Germany World Figure Skating Championships medalists European Figure Skating Championships medalists Sportspeople from Berlin