Nicholas Humphrey, Emeritus Professor of Psychology at the London School of Economics, is a theoretical psychologist based in Cambridge, who studies the evolution of intelligence and consciousness. His interests are wide-ranging. He was the first to demonstrate the existence of 'blindsight' after brain damage in monkeys, did research on mountain gorillas with Dian Fossey in Rwanda, proposed the celebrated theory of the 'social function of intellect' and has investigated the evolutionary background of religion, art, healing, death-awareness, and suicide. His honors include the Martin Luther King Memorial Prize, the Pufendorf Medal and the International Mind and Brain Prize. His most recent books are Seeing Red and Soul Dust.