Sergey Pavlovich Korolyov is a Soviet rocket constructor and engineer, whom Russia is obliged for its space and military rocket industry.
He constructed rockets that took the Sputnik, Laika and Gagarin to the orbit, rockets that delivered man made objets to Moon, Venus and Mars first. The father of the Russian rocket industry, which remains the best in the world up to these days.
Today is his 100-th birthday.
Yuri Gagarin (left) and Sergey Korolyov (right)
http://en.wikipedia.org/wiki/Sergey_Korolyov