Whose ideas are most closely associated with the term "dictatorship of the proletariat"?

These ideas are most closely associated with Marx and Lenin, whose philosophies about socialism as an alternative to capitalism inspired the Russian Revolution. 

The ideas of Karl Marx expressed in his book "The Capital" that gave birth to Communism. In his book Marx, among others, explain the need for the proletariat to fight against the power of the Capitalists (Class Struggle) and through a (violent) revolution establish the Dictatorship of the Proletariat.