Hans Bisswanger was Professor at the Interfaculty Institute of Biochemistry at the University of Tübingen (Germany), where he has developed and taught for many years an intensive course on enzyme kinetics, enzyme technology and ligand binding. His scientific interest lies with structural and regulatory mechanisms of multi-enzyme complexes, thermophilic enzymes and the technical application of immobilized enzymes. He is the author of two well-known books on enzymology that have appeared in different languages and editions.