Hans-Dietrich Genscher was a German politician of the liberal Free Democratic Party (FDP). He served as Foreign Minister and Vice Chancellor of Germany from 1974 to 1982 and, after a two-week pause, from 1982 to 1992, making him Germany’s longest serving Foreign Minister and Vice Chancellor. In 1991, he was made Chairman of the OSCE. Genscher has been active as a lawyer and in international relations organizations. He founded his own Hans-Dietrich Genscher Consult GmbH in 2000.