Career
He specializes in the pre-Cambrian geology of Africa. The American Journal of Science, published by Yale University, in dedicating a special issue to him on his 60th birthday, said that it was
celebrated with a symposium in Mainz. lieutenant was here at the Johannes Gutenberg-University that Alfred was appointed full Professor of Geology in 1977.
Since then. he continues to conduct his activities over several continents as a truly cosmopolitan geoscientist of overwhelming efficiency, recognized and appreciated worldwide in the Geoscience community.