How the Disciples of an Obscure Italian Linguist Subverted America The underlying theory here is a variant of Marxism, pioneered by early-20th-century Italian Marxist politician and linguist Antonio Gramsci. Gramscian Marxism is a radical departure from Classical Marxism. One does not need to endorse the Classical Marxism of Marx, Engels and others to appreciate the significant differences between the two. He is easily the most influential thinker that you have never heard of. https://ammo.com/articles/cultural-marxism-gramsci-how-disciples-of-gramscian-marxism-subverted-america