Sid first came to attention as the creator of "The Rattler", one of the fastest drag bikes of its day, in the Mid-Atlantic region. Later, Sid owned a motorcycle repair shop in Virginia; it was the kind of place where, when you walked in, there was always something interesting in a state of disassembly. It'd be a Vincent, or a Brough, or a Laverda... Sid was a magnet for the rare and exotic.
Sid's son Matthew is an English prof and writer. He wrote a book about his relationship with his father -- a relationship that was resurrected as, together, they created a 'Vincati'.
Sid, Matthew, and their creation -- a tuned, '50s-vintage Vincent motor set in a '70s-era Ducati frame -- are featured in this video from Jay Leno's web site.