Larsen's Lisitsin Lesson

Bent Larsen has been one of the top players in the world for many years.  Here is one of his early games that in played in one of the chess olympiads.  His opponent played the Lisitsin Gambit (1.Nf3 f5 2.e4) and Larsen got a quick attack, ignored the loss of his Rook, and finally threatened mate.