In 1969, Neo-Marxist philosopher Louis Althusser published an essay entitled "Ideology and Ideological State Apparatuses' in which he proposed a new way of looking at the concept of ideology.

Louis Pierre Althusser (French: [altysɛʁ]; 16 October 1918 – 22 October 1990) was a French Marxist philosopher. He was born in Algeria and studied at the École Normale Supérieure in Paris ...