Frank Rutten
Amsterdam,
Netherlands
Fred Duivenvoorde
Middelburg,
Netherlands
Hans Schokkenbroek
Amsterdam,
Netherlands
Tom Leeuwenberg
Tilburg,
Netherlands
J.B. de Roo
Zwijndrecht,
Netherlands
Kris Landuyt
Antwerpen,
Belgium
Pieter J. de Vries
Haarlem,
Netherlands, Netherlands
Gerhard Leyerzapf
Amsterdam,
Netherlands
Dik Ramkema
Overveen,
Netherlands
Fokas Holthuis
Den Haag,
-, Netherlands
Laurens R. Hesselink
't Goy - houten,
Utrecht, Netherlands