In 1917, noted society portrait painter Philip de L�szl�, who painted such luminaries as the Pope, the Austrian emperor, King Edward VII and Prince Louis Battenberg, was subjected to a secret tribunal which interned him for trading with the enemy. At the outbreak of the First World War, de L�szl� had pulled strings to be naturalised as British, but in 1919 he was referred to a public committee to revoke his naturalisation. With the aid of...