Rudi Glöckner

Rudolf Glöckner was the first German to referee a football World Cup final when he took charge of the 1970 FIFA World Cup final between Brazil and Italy in Mexico City. Glöckner, from what was then East Germany, had a long international career, officiating at the 1964 Summer Olympics in Tokyo and also matches in the 1976 European Championship. He refereed the game between ADO Den Haag and West Ham United in the 1976 European Cup Winners Cup. Wikipedia