John Meyer, the International Hydrofoil Society President, for his suggestions about my home page.
Barney C. Black, the I.H.S. Web Master, who help me for my home page english version and put my URL on the I.H.S. site.
HP Schropp, for all his advises about balance problems on my sailboard.
Tom Speer, who gives me a lot of informations about hydrodynamics.
Michael Kirk-Smith, who gives me a great number of corrections for the english version.
Once again, thank you for any one.