Riesenhuber received his high school diploma in 1955 in Frankfurt am Main. He studied economics and chemistry until 1961. He had a scholarship of the catholic Cusanuswerk. From 1962 he worked for four years as a researcher in the department of chemistry at the Johann Wolfgang Goethe-Universität and earned a Doctorate degree in chemistry in 1965. From 1966 to 1982 he worked for Metallgesellschaft AG, Frankfurt am Main. Within the Metallgesellschaft Group, he was CEO for the subsidiary "Erzgesellschaft mbH", and from 1971 to 1982 Chief technical officer of "Synthomer Chemie GmbH", another subsidiary. He was co-president of the German-Japanese Cooperation Council for High-technology and Environmental Technology DJR in Bonn. Snce 1995 he is honorary professor at the University of Frankfurt and president of the German Parliamentary Union since 2006. Riesenhuber is a member of several governing boards and advisory committees of German and foreign companies and institutes. He lives in Frankfurt-Unterliederbach, is married and has four children.
Political career
Riesenhuber became a member of the Christian Democratic Union in 1961. Between 1965 and 1969 he was head of the youth organization of CDU in Hessen. He was chairman of CDU Frankfurt from 1973 to 1978. In 1979 he was elected as a chairman of CDU district Untermain. From 1976 to 2017, he served as a member of the federal German legislature, the Bundestag. At first he was elected via the Landesliste, then from 1980 he represented the electoral districtFrankfurt am Main I - Main-Taunus and since 2002 the district Main-Taunus. This period of over 40 years has made him the third-longest member, after Wolfgang Schäuble and Richard Stücklen. In the elections of 2009 he attained 47,5 % of the votes, in 2013 52,5 %. On 4 October 1982 he was appointed Minister of Scientific Research by chancellor Helmut Kohl. He served as such until 21 January 1993. During this time he supported the Transrapid and the wind turbineGrowian. In 2009 he became the 17thAlterspräsident of the Bundestag due to his status as the oldest member of the legislature. He continued to hold this post in the following legislature. In 2017 he did not run for parliament again.
His personal brand is his Bow tie. He always wears such a tie. In his political campaigns for the Bundestag he used a poster showing only a bow tie in the national colours of Germany: Black, red and gold. Neither his name nor his party was mentioned but everybody in his constituency recognized Riesenhuber.
