Who has been to space more times, Hans Schlegel or Frank De Winne?
Hans Schlegel: Hans Wilhelm Schlegel (Überlingen, 3 August 1951) is a German physicist, an ESA astronaut, and a veteran of two NASA Space Shuttle missions. Frank De Winne:  He is Belgium's second person in space (after Dirk Frimout). Frank De Winne:  He was the first ESA astronaut to command a space mission when he served as commander of ISS Expedition 21.
i don't know