• Jürgen-Ponto-Platz, 1976-81, Frankfurt a.M., photo: Robert Häusser
    Jürgen-Ponto-Platz, 1976-81, Frankfurt a.M., photo: Robert Häusser
  • Chapel in the Archiepiscopal Collegium Marianum, 1984-1989, Neuss, photo: Heinz Mack
    Chapel in the Archiepiscopal Collegium Marianum, 1984-1989, Neuss, photo: Heinz Mack
  • Platz der Deutschen Einheit, 1986-1988, Düsseldorf, photo: Heinz Mack
    Platz der Deutschen Einheit, 1986-1988, Düsseldorf, photo: Heinz Mack
  • Sculptor of Stone, Water and Glass, 2007, Santander Consumer Bank AG, Mönchengladbach,<br /> photo: Heinz Mack
    Sculptor of Stone, Water and Glass, 2007, Santander Consumer Bank AG, Mönchengladbach,
    photo: Heinz Mack
  • Two Glass Prisms, 2002, Vaduz, Liechtenstein, photo: Heinz Mack
    Two Glass Prisms, 2002, Vaduz, Liechtenstein, photo: Heinz Mack