Jonathan St B T Evans is Emeritus Professor of Cognitive Psychology at Plymouth University, UK. He has worked for many years on the psychology of thinking, reasoning and decision making writing many articles and a number of books on these topics. His earlier work focussed on cognitive biases and the implications for human rationality. More recently, he has written extensively about dual-process theory, the distinction between intuitive and reflective thinking. In a 2010 book he linked these to two minds within the human brain with distinct evolutionary origins.