He served as Minister of State at the Foreign Office ( 1982 -- 1987 ) , as Federal Minister of Education and Research ( 1987 -- 1991 ) , as Federal Minister of Economics ( 1991 -- 1993 ) and as Vice Chancellor of Germany ( 1992 -- 1993 ) in the government of Chancellor Helmut Kohl .
He served as Minister of State at the Foreign Office ( 1982 -- 1987 ) , as Federal Minister of Education and Research ( 1987 -- 1991 ) , as Federal Minister of Economics ( 1991 -- 1993 ) . He served as Vice Chancellor of Germany ( 1992 -- 1993 ) in the government of Chancellor Helmut Kohl .