Jack Dawson was a fictional character in the 1997 James Cameron feature film "Titanic". He was portrayed by Leonardo DiCaprio
Jack was born in Chippewa Falls in Wisconsin, USA around 1892. His parent died while he was still young. A talented artist he travelled extensively and appears to have had a fondness for drawing nudes.
In the film "Titanic", Jack and an Italian friend Fabrizio are in a bar conviently close to the dock where the Titanic is about to depart. In a poker game they win two third class tickets and dash to catch the boat.
In contrast to a real third class passenger Jack has no qualms or difficulty in roaming the first class areas and ultimately meets the wealthy if matronly Rose DeWitt Bukater (Kate Winslett), they fall in love and consumate their affair moments before the Titanic strikes an iceberg.
We won't spoil the ending... get the DVD!