Gilbert Ryle, who died in 1976, was for many years a professor of philosophy in Oxford. He was a man of genially military appearance, with a knobbly, cubic head; rather soldierly in speech and...

Biology​ as a guide to ethics has been an intellectual fad of the last decade, and Mrs Midgley is trying to restore a sense of proportion. Sociobiology has had its home principally in the...