Before revision: This positivist reading, which mostly based itself on Engels' latter writings in an attempt to theorize "scientific socialism" has been challenged by Marxist theorists, such as Lukacs, Gramsci, Althusser or, more recently, Étienne Balibar.
After revision: (an expression coined by Engels)This positivist reading, which mostly based itself on Engels' latter writings in an attempt to theorize "scientific socialism" has been challenged by Marxist theorists, such as Lukacs, Gramsci, Althusser or, more recently, Étienne Balibar.