1991
- Gerhard Ertl - physical chemistry (Fritz Haber Institute of the MPG, Berlin)
- Dieter Fenske and Michael Veith - inorganic chemistry (University of Karlsruhe and Saarland University)
- Ernst O. Göbel - solid state physics (University of Marburg)
- Dieter Häussinger - internal medicine (Albert Ludwigs University of Freiburg)
- Karl-Heinz Hoffmann - applied mathematics (University of Augsburg)
- Randolf Menzel - zoology/neurobiology (Free University of Berlin)
- Rolf Müller - biochemistry/molecular biology (University of Marburg)
- Hermann Riedel - material mechanics (Fraunhofer-Institut für Werkstoffmechanik Freiburg)
- Hans-Ulrich Schmincke - mineralogy/vulcanology (Forschungszentrum für Marine Geowissenschaften Kiel)
- Michael Stolleis - history of law (Johann Wolfgang Goethe University Frankfurt am Main)
- Martin Warnke - history of art (University of Hamburg)
Read more about this topic: Gottfried Wilhelm Leibniz Prize