 In late 1946, Brandt returned to Berlin, working for the Norwegian government.In 1948, he joined the Social Democratic Party of Germany (SPD) and became a German citizen again, formally adopting the pseudonym Willy Brandt as his legal name.Brandt was elected to the West German Bundestag (the federal parliament) in the 1949 West German federal election as a SPD delegate from West Berlin, serving there until 1957.