Dr. Georg Guggenheim-Haus Dreikönigstrasse 49 P. O. Box 2169 8027 Zürich, Switzerland Tel. +41 (0) 44 206 30 60 Fax. +41 (0)44 206 30 77 Postal account: 80-12711-7Opening hours Monday to Thursday 9 a.m. to 12 noon and 2 p.m. to 5 p.m. Fridays 9 a.m. to 12 noonE-Mail