19:15Front Row18/03/2010BBC Radio 4 Duration: 30 minutes Sat 25th Jan 2014, 19:15 on BBC Radio 4 FMAvailable for over a yearListen nowJohn Wilson reports on the largest unsolved art theft ever. Show more ContributorsPresenter:John WilsonInterviewed Guest:Tracy ChevalierInterviewed Guest:David HospGenresFactualArts, Culture & the MediaFormatsMagazines & ReviewsBrandFront Row Source: BBC Online