At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
Terry Prince built exotic specials in Sydney under the Prince banner, having previously worked with Fritz Egli. In 1996 he partnered with Ron Slender to form RTV, which continued to build specials powered by Vincent engines.
In 2012 he began working with Fritz Egli Jnr on another development.
Sources: egli-vincent.net, tpv-vincent.de, et al