Iain McGilchrist (born 1953) is a British psychiatrist, literary scholar, philosopher and neuroscientist who wrote the 2009 book The Master and His Emissary, subtitled The Divided Brain and the Making of the Western World. He is a Quondam fellow of All Souls College, Oxford; a former associate fellow of Green Templeton College, Oxford; an emeritus consultant at the Bethlem and Maudsley Hospital in south London, a former research fellow in Neuroimaging at Johns Hopkins University in Baltimore; and a former fellow of the Institute of Advanced Studies in Stellenbosch.
https://en.wikipedia.org/wiki/Iain_McGilchrist