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Charles Simonyi (born September 10, 1948, Budapest, Hungary) is a Hungarian-born American software executive and space tourist. Simonyi left Hungary in 1966 to work at the Danish computer company Regnecentralen. He graduated from the University of California, Berkeley, with a degree in engineering mathematics and later earned a doctorate in computer science from Stanford University. After working at the Xerox Palo Alto Research Center (Xerox PARC)—where he created the first WYSIWYG (what you see is...