Which ideologies helped formalize the ideas of the third member of the triumvirate, along side Zinoviev and Kamenev,. 
Joseph Stalin: Joseph Vissarionovich Stalin (18 December 1878 – 5 March 1953) was a Georgian-born Soviet revolutionary and political leader. Joseph Stalin:  Ideologically a Marxist and a Leninist, Stalin helped to formalise these ideas as Marxism–Leninism while his own policies became known as Stalinism.
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