Idea, concept, project management: Gerry Ziegler, CH-Balgach

Project management, planning, development, and consultancy: Andreas Garzotto GmbH, CH-Winterthur

Photographs/artists
Mario Tabozzi, CFPF, CH-Le Mont-sur-Lausanne
Jean-Denis Godet, CH-Hinterkappelen
Gerry Ziegler, CH-Balgach
Michele Fürst, CH-Balerna
Felice Crottogini, CH-Herisau
Gottlieb Nägele, KFA CH-St.Gallen (†)
Kurt Wirth, CH-Pfungen
Ruedi Weilenmann, CH-Winterthur
Rolf Dürig, CH-Basel
Fabian Wick, CH-Zuckenriet
Felix Brüngger, CH-Urdorf
Daniel Rossi, CH-Uster
Andreas Hefti, Lütisburg
Andreas Rudow, ETH Zürich

Seedling drawings/book references
Missing pictures were kindly supplied from the book „Bäume und Sträucher des Waldes".
Seedling drawings: Artist Paul Richter
Author: Prof. DR. Gottfried Amann
continued: by Claudia Summerer
Publisher: NEUMANN-NEUDAM AG, DE-Melsungen

Texts „Lebensbaum, Geschichte und Heilkunde"
compiled by Beat Burren, forester, cantonal forestry office Luzern

Copyright for pictures and text: CODOC, 3250 Lyss

Translation (Français)
Philippe Domont, CH-Zürich
Annesophie Huber,CH- Balgach

Translation (Italiano)
Michele Fürst, Balerna
Prisca Mariotta, Muralto

Translation (English)
Charlotte Klank, DE-Frankfurt am Main

Scientific editor
Peter Barnes, botanist, UK

Copyrights for texts and photographs were courtesy of the following institutions:

Koordination und Dokumentation Bildung Wald: CODOC

CODOC is a subsection of the Swiss Confederation within the Federal Office of the Environment FOEN

Acknowledgements

A big thank you to all involved in development, programming, design, tests, advice and corrections!