Marco Birocco
Torino,
TO, Italy
Sabine Koitka
Basel,
Switzerland
Stéphane Averty
Vence,
France
Erwan de Kerangué
Paris,
France
Paul Blaizot
Paris,
France
Dr. Freerk Valentien
Stuttgart,
Germany
George Robert Minkoff
Alford,
MA, United States
Gerhard Zähringer
Zürich,
Switzerland
Gordon S. Hollis
Los Angeles,
CA, United States
Felix Hartung
München,
Germany