Thomas de Wesselow is an art historian experienced at tackling “unsolvable” problems. He studied art history at Edinburgh University and at the Courtauld in London, where he worked successfully on the Guidoriccio Problem, one of the great mysteries of Italian art. Later, he became a Scholar at the British School in Rome, researching an even more complex puzzle, the so-called Assisi Problem. In 2002, he was appointed a Post-Doctoral Research Associate at King's College, Cambridge University. Since 2007 he has been researching the Shroud full-time. He lives in Cambridge.