However it's Yuri's name that comes to mind first, but how many would immediately remember Sergey Korolyov? http://en.wikipedia.org/wiki/Sergey_Korolyov http:/

However it's Yuri's name that comes to mind first, but how many would immediately remember Sergey Korolyov? http://en.wikipedia.org/wiki/Sergey_Korolyov http://en.wikipedia.org/wiki/Sergey_Korolyov