in Oxford Art Online
P ublished online January 2003 .
Reference Entry. Subjects: Exhibition Catalogues and Specific Collections; 20th-Century Art. 194 words.
(b Düsseldorf, April 18, 1889; d New York, Oct 25, 1947).
German art dealer and collector. He founded Kairos Verlag, and his publications included the magazine Der Strom, the...