Lars Petrus

Lars Petrus (born in 1960) is a speedcuber from Sweden. He invented a method of solving the Rubik's Cube very quickly. He became the Swedish national champion of speedcubing in 1982. He finished fourth overall at the first official Rubik's Cube World Championships held in Budapest. He later published his own special method, known as the Petrus method, on the internet.
Other websites.
Official website