German Chancellor Angela Merkel reacts with German President Joachim Gauck during the 2014 FIFA World Cup Brazil Final match between Germany and Argentina at Maracana on July 13, 2014 in Rio de Janeiro, Brazil.
German President Joachim Gauck works at his desk at Schloss Bellevue presidential palace on May 6, 2013 in Berlin, Germany. Gauck, a former Protestant pastor, succeeded Christian Wulff, who resigned last year following allegations of receiving improper benefits while he was governor of Lower Saxony.
German President Joachim Gauck and his partner Daniela Schadt dance the opening waltz at the 2012 Bundespresseball (Federal Press Ball) at the Intercontinental Hotel on November 23, 2012 in Berlin, Germany.
Queen Margrethe II of Denmark (C) German President Joachim Gauck (R) and German First Lady Daniela Schadt smile upon their arrival to board the remake of a Viking ship on September 9, 2014 in Berlin, Germany. Queen Margrethe is in Berlin on a two-day visit, during which she will open an exhibition about the Vikings at Martin-Gropius-Bau
German President Joachim Gauck smiles before touching a stuffed lion after meeting with Ethiopian Prime Minister Hailemariam Desalegn at the Presidential Palace on March 17, 2013 in Addis Ababa, Ethiopia. President Gauck and his partner, First Lady Daniela Schadt, are in Ethiopia for a four-day state visit.