"The Two Cultures" is the first part of an influential 1959 Rede Lecture by British scientist and novelist C. P. Snow. The lecture was published that same year in book form as The Two Cultures and the Scientific Revolution. The book form of Snow's lecture was widely read and discussed on both sides of the Atlantic, leading him to write a 1963 follow-up, The Two Cultures: And a Second Look: An Expanded Version of the Two Cultures and the Scientific Revolution.
Snow's position can be summed up by an oft-repeated passage from his lecture: