I believe what you are referring to is Communism. Let us divorce at least the name of a singular man from a body of work that by your own admission is made up of a number of different writers on the subject just as the elaborations on Newtonian Physics is considered also a part but not whole of Classical Mechanics.
The reductions of bodies of political thought to singular authors is often used to exclude others. Very often on this platform I am told that I am not a Socialist because I am not a Marxist simply because he simply coined a term to a body of thought that predated him and extended far beyond him so why should I extend to Marx the authorial intent by the political realm of thought baring his name? If you said you were a Maoist or a Leninist or a Chavezist would I not conclude that you are in agreement with their very specific realms of their personal philosophy?