von Duisburg was born 1883 in Sumatra, from 1920 to 1938 he worked as a lecturer at Deutsche Kolonialschule (Witzenhausen). Before, he was officer of the Deutsche Schutztruppen/Cameroon.
In 1923, v. Duisburg finished his doctorate (on african languages).
In Witzenhausen, he taught ethnology (Völkerkunde), economical geography, Spanish, English, French, Dutch and Malay.
Von Duisburg was shot to death in jan 1946 as a war criminal. In 1995 he was rehabilitated.
Source (also photo): Baum, Eckhard 1997 Daheim und überm Meer: Von der Deutschen Kolonialschule zum Deutschen Institut für Tropische und Subtropische Landwirtschaft in Witzenhausen. Witzenhausen)
