Contributor(s): Professor Michael Cole | From its founding as an academic discipline, psychology has been divided in its understanding of itself. The project to create a psychology that unifies experimental, 'physiological' psychology and ethnographic, cultural-historical psychology requires a reconfiguration of the disciplinary landscape of the late 19th century that, from our current perspective, appears inter-disciplinary, including, as it does, scholarship from anthropology, sociology, discourse analysis as well as the neurosciences and evolutionary biology.