Fritz Hans Schweingruber Prof. Dr. Zürcherstrasse 111, CH-8903 Birmensdorf Tel.: 0041-(0)44-739 22 81 Fax: 0041-(0)44-739 22 15 Email: fritz.schweingruber@wsl.ch

Private Address: Gartenstrasse 19, CH 8903 Birmensdorf, Switzerland Tel ..41 (0) 44 737 2571

Main interests: Dendrochronology, wood anatomy, micro photography, art in nature Projects: Anatomy of the xylem and phloem of herbs, shrubs and dwarf shrubs and trees