K.K. Rokossovsky, Marshal of the Soviet Union, Twice Hero of Ussr. Well known for his planning and fast thinking.

Played big role in Moscow's defending, commanded the Don front during Battle of Stalingrad, which encircled 6th Army.
Defended north side of Kursk Bulge, successfully stoped german armor advance near Ponyri.
Planned Operation Bagration which led to comlete destruction of German armies in Byelorussia.
Head of the first victory parade.

http://en.wikipedia.org/wiki/Konstantin_Rokossovsky

Константин Константинович Рокоссовский, один из лучших полководцев Советского Союза.