Mark Tobey 1890-1976

Emil Beurmann 1862-1951

William Phillips 1934–1976

Christian Peltenburg-Brechneff 1950 –

Emil Beurmann 1862-1951

Christian Peltenburg-Brechneff 1950 –

Jean Philippe George 1818 – 1888

René Auberjonois 1872 – 1957

Christiane Zufferey 1920 – 2011

Hugo Lüdin 1917 –

Barbara Feuerbach 1952 –

Hugo Lüdin 1917 –

René Auberjonois 1872 – 1957

Bruno Weber 1931 – 2011

Hans Stocker 1896-1983

Christiane Zufferey 1920 – 2011