Friedrich-Wilhelm Wellmer worked for the German mining company Metallgesellschaft world wide and he was Director of Exploration for the Metallgesellschaft of Australia in Melbourne before joining the Federal German Geological Survey, the BGR in Hannover. From 1996 to 2005 he was Director of the BGR and also of the State Geological Survey of Lower Saxony. Wellmer taught raw materials policy and economic geology at the Technical University Berlin.
Manfred Dalheimer worked for the mining companies Centromin PerA and Metallgesellschaft before joining the BGR. From 1991 to 1997 he was head of Mi...