[Worldkings] Top 100 pioneers in all fields (P. 45) Dennis Tito (USA): The first person to travel into space as a tourist
(Worldkings.org) Dennis Tito paid $20 million for his space travel in 2001. He became the world's first tourist to fly into space.
[WORLDKINGS] On this day - March 22, 2023 – The 28th anniversary of cosmonaut Valeri Polyakov's return to earth after setting the record for longest space flight (1995)
(Worldkings.org) Valeri Polyakov completed his second flight into space in 1994–1995, spending nearly 438 days in space between launching on Soyuz TM-18 and landing with TM-20, setting the record for the longest time continuously spent in space by an individual.
[WORLDKINGS] On this day - March 18, 2023 – The 58th Anniversary of Cosmonaut Aleksei Leonov becoming the first man to walk in space (1965)
(Worldkings.org) On 18 March 1965, he became the first person to conduct a spacewalk, exiting the capsule during the Voskhod 2 mission for 12 minutes and 9 seconds.
[WORLDKINGS] The Constant World Records Seeking Journey (P.227) Space Adventures (USA) - The world's first private space company to provide space flight services for private astronauts
(WorldKings.org) Space Adventures was founded in 1998 by Eric C. Anderson—president and CEO—with several other entrepreneurs from the aerospace, adventure travel and entertainment industries. The company is headquartered in Tysons Corner, Virginia with an office in Moscow.