Professor Dr Dr Gerhardt Erich Alleweldt (1927-2005) studied agriculture at the Justus Liebig University in Giessen from 1950, graduated in 1953 and was awarded a doctorate in agriculture (Dr agr. sci.) in 1956. In 1956, he began working at the Institute for Grapevine Breeding Geilweilerhof in Siebeldingen-Pfalz (IRZ) under the direction of the then director of the institute, Prof. Dr Bernhard Husfeld (1900-1970), after whose death he took over as director, a position he held until his retirement in 1995.
In 1991, he became head of the Federal Institute for Breeding Research in Viticulture and Horticulture in Siebeldingen (Rhineland-Palatinate). Alleweldt held a number of other positions, such as Chairman of the German Grapevine Breeders' Association. At the Faculty of Agriculture at Justus Liebig University in Giessen (Hesse), he was authorised to teach the subject of "Plant cultivation and plant breeding with special consideration of viticulture and vine breeding".
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