“Day after day the crowds flock to the National Gallery’s ‘Caravaggio: The Final Years’ exhibition, fascinated in equal measures by the artist’s debauched lifestyle and the power of his paintings… But what the crowds are unlikely to appreciate is that the acclaimed exhibition was made possible thanks to the generous donation of a reclusive US millionaire who bankrolled a fundamentalist religious movement founded by a man who endorsed the execution of homosexuals and adulterers.”