- Paul Feyerabend (1924 – 1994) - As he worked with Popper in the London School of Economics he was positively influenced by him in his first period: he thought epistemology isn't about describing science but about how science should function. - Later in his career, by 60's, he was moving towards epistemological anarchy, what was mainly exposed in his most famous work, Against Method, published in 1975. - According to Feyerabend, no method in the history of science has been successful, since none of them has lead, indeed, scientific activity. - Besides, there is no way science to be u...