Rainer Bunge studied mining at the Technical University of Clausthal and earned his doctorate in mineral
processing technology at UC-Berkeley. After working in the Swiss recycling industry, he moved to the Eastern
Switzerland University of Applied Sciences OST, where he gave lectures on recycling until his retirement. As a
lecturer at ETH Zurich, he taught the " Waste Recycling Technologies" course for many years. The innovative
processes and machines he developed led to around 40 patents. He was one of the 10% of OST professors with the
best teaching evaluations and was also awarded the " Swiss Environmental Prize" .