The real Jack Dawson was second class Italian passenger, Emilio Portaluppi who had a crush on Madeleine Astor, the young and beautiful wife of Portaluppi's sponsor: millionaire John Jacob Astor IV.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/3_HSHYVipak" height="1" width="1"/>
