Louis Brennan via The Conversation | With British billionaire Sir Richard Branson’s successful flight to the edge of space, he and his company Virgin Galactic have firmly established themselves in the history books as space tourism pioneers. While not the first tourist to enter space, 70-year-old Branson is the first to make his journey with a commercial spaceflight company, marking a giant leap for the space tourism industry being championed by some of the world’s most famous billionaires.