Kuhn had a theory about the history of science which denied the existence of scientific progress, and which denied the rationality of scientists switching from one theory to another. He popularized the term "paradigm shift" to describe such a switch. | Kuhn had a theory about the history of science which denied the existence of scientific progress, and which denied the rationality of scientists switching from one theory to another. He popularized the term "paradigm shift" to describe such a switch. |