| Dr. Rudolf Meyer, President | Thomas Engel, Technics |
| Tivolifabrik Orthodontic Center Thun | Tivolifabrik Orthodontic Center Thun |
| CH-3600 Thun-Switzerland | CH-3600 Thun-Switzerland |
| Tel. Praxis 0041 33 222 22 55 | Tel. Praxis 0041 33 222 22 55 |
| Tel. Privat 0041 33 222 99 19 | |
| Mobil 0041 79 626 37 39 | E-Mail: tengel@bluewin.ch |
| Fax 0041 33 222 71 80 | |
| E-Mail: mail@zahnspange4u.ch | |
| Scientific Programme | Lieselotte Meyer |
| Prof. Dr. C. Booy | Social Programme |
| Gezellelaan 11 | Haldenweg 23 A |
| 9721 WJ Groningen | CH-3626 Hünibach-Switzerland |
| The Netherlands | Tel. Privat 0041 33 222 99 19 |
| Fax 0041 33 222 71 80 | |
| and | Mobile 0041 78 898 1968 |
| Dr. J.W. Booij, Scientific Committee | Dr. Bruno Frei, Treasurer |
| Schelluinsevliet 5 | Murtenstrasse 4 |
| 4203 NB Gorinchem-The Netherlands | CH- 3270 Aarberg-Switzerland |
| Tel. Praxis 0031 183 635 476 | Tel. Praxis 0041 32 392 65 85 |
| Tel. Privat 0031 183 660 772 | Tel. Privat 0041 32 365 07 20 |
| Mobil 0031 651 051 542 | Mobil 0041 79 411 38 41 |
| Fax 0031 183 633 177 | Fax 0041 32 392 65 84 |
| E-Mail: mrbooij@planet.nl | E-Mail: freib@bluewin.ch |
| E-Mail booij.orthodontist@planet.nl | |
| Dr. Beat Spycher, Vice President | Congressoffice: |
| Worbstrasse 224 | Mrs. Astrid Wyss |
| CH-3073 Gümligen-Switzerland | Lauenenweg 47 D |
| Tel. Praxis 0041 31 951 06 75 | CH-3600 Thun |
| Tel. Privat 0041 31 951 62 32 | Tel. Praxis 0041 76 459 39 39 |
| Mobil 0041 79 300 28 38 | Fax 0041 33 221 52 77 |
| Fax 0041 31 951 62 35 | E-Mail: astrid.wyss@thuncongress.ch |
| E-Mail: dr.spycher@bluewin.ch |