The question asks for the identity of the world's first space tourist. Let us explore the options provided:
Based on the analysis of each option, the correct answer is Dennis Tito. He became the world's first space tourist on April 28, 2001, by embarking on an eight-day journey aboard a Russian Soyuz spacecraft to the International Space Station. This milestone marked the beginning of non-astronaut space travel, paving the way for future space tourists.
Therefore, the world record of the First Space Tourist is of Dennis Tito.