(i) The world's chief interest is, and has always been, in successful men.
(ii) There is a popular interest in Henry Ford, which is not difficult to explain.
(iii) And we want to know all there is to know about them.
(iv) It does not matter much in what field their achievement lies, so long as they have achieved.
(v) Pirates, outlaws, prize fighters, soldiers, statesmen, writers, painters, movie stars and so on - we are interested in them, if only they are a success.