David Turner examines commonly held beliefs about learning, knowledge and intelligence, and critically assesses claims that certain drugs can improve learning and memory.

David A. Turner is Professor of Education at the University of Glamorgan, UK. Before he entered academia, he was a physics teacher in secondary schools in England. He won the World Education Fellowship Prize in 2006 for his book, Theory of Education. He is currently Visiting Professor at Hiroshima University until July 2010.