Good thing about Russian post-card questions: I do not have to blur out any text.. because no one here can read it! (Or, am I wrong?)

Who is he?

Cracked by: Manish Achuth , Bipin Banavalikar , bhargava , Supritha Maiya , Raghu , Jayaprakash B R , rickde , Logik , raklodramA , KK , Ananth , Dibyo , Rogi , Sumanth Patlolla , Mayukh Bose , Anjul , jayanth and s m muneer ali

Answer:
Yuri Gagarin, the first man in space!