Turn to page 23 of your 1998 Prism catalogue for a small picture. Waddya mean you don't have a copy
He was backed
to some extent by Prism or their distributors in Germany
and I once judged him at an event in Cuxhaven right at the end of the 90s. He flew an Illusion
and ended the routine with 4 broken spars.
Any video that might exist of his heyday are likely to be postage stamp sized. You might be better off asking at Drachenforum