Who is Dennis Tito and why he is famous?

Dennis Anthony Tito is an engineer & citizen of United States. This multimillionaire became famous in 2000 as world’s First Space Tourist. He spent 8 days in orbit on Soyuz TM- 32, the International Space Station, and Soyuz TM-31.He paid Russian space chiefs a approx. $20m (£14m) for the privilege. His journey started on April 28, 2001.