Miliband–Poulantzas debate
The Miliband–Poulantzas debate was a debate between Marxist theorists Ralph Miliband and Nicos Poulantzas over the nature of the state in capitalism. Their exchange was published in the New Left Review between 1969 and 1976.
Source: Wikipedia — Miliband–Poulantzas debate (CC BY-SA 4.0)