Dennis Tito
California millionaire and former NASA engineer where he helped to plan and monitor the Mariner 4 and 9 missions to Mars
First space tourist and went to the ISS, Tito funded his own trip into space with Space Adventures on the Soyuz TM-32 mission on April 28, 2001, spending a week in space.
Dennis Tito on return from the ISS 6 May 2001
Dennis Tito is now funding "Inspiration Mars" a Human Mars Flyby Mission set for 2021.