Harvey G. Cohen
Duke Ellington's America
Sabine Altorfer is chief arts editor of the Swiss daily newspaper Mittelland Zeitung. Uli Däster is a free-lance art critic in Switzerland. Jochen Hesse is head of the collection of prints and drawings of the Zürich University library and has been a research assistant with the Swiss Institute for Art Research in Zürich. Frieda Vogt-Baumann works as a lecturer in teachers' education and in local politics.