 Among his mosaics are portraits of David Bowie, Nelson Mandela, David Beckham in penny coins, Alan Sugar (done in sugar cubes) and Eric Cantona.Annie Lennox, Lemmy the founding member of Motörhead and chef Gordon Ramsay are among the clients who have commissioned a work by him.His portrait of Richard Burton incorporating 500 million-year-old Welsh slate was commissioned by the actor's widow Sally Burton in 2015 to mark 90 years since the actor's birth.