There have been few leaders in the history of the world that have worked painstakingly hard in propagating the culture and ideals of communism and didn't mind sacrificing their lives for the cause. Here is a list of top 10 people behind propagating communism.
History has innumerable instances of revolutions when few individuals transformed the modern world around them. These people did what millions of people put together couldn't have achieved. Their enduring spirit helped a lot in changing insulated views of the society.