Oldie-readers will know all about The Admirable Crichton, J M Barrie's marvellous 1902 play, later made into a film four times.
Crichton is the dutiful butler to the Earl of Loam. But when he and the Loam family are shipwrecked on a desert island, it is Crichton who becomes master of the household because he knows how to find food and cook it.
