This project would not have been possible without the very generous support of Foundation Erwin Olaf.
Special thanks to:
• Dennis Boutkan, chair of the selection committee
• Gebr. Silvestri, graphic design
• Royal Posthumus, tile production
• City of Amsterdam, city center district
• Xandi Buys Fonds
• COC Amsterdam
• Twelve Trains, website
• Paradox Productions
• Johnston Text & Training, English editing
• Zac West
And everyone else we consulted in making a careful selection and/or who contributed to the wording of the tile texts.