Socialist critics include George Orwell (known for his criticism of totalitarian Socialism in Animal Farm), economist I.I Rubin, the anarchists which the USSR s

Socialist critics include George Orwell (known for his criticism of totalitarian Socialism in Animal Farm), economist I.I Rubin, the anarchists which the USSR suppressed, Luxemburg, Bordiga, Bookchin, and later on Hobsbawm, Trotsky (to some extent), Sylvia Pankhurt (and various other feminists) etc.