Keynes on Population publishes two of John Maynard Keynes's manuscripts omitted from the Collected Writings: his Cambridge lectures on population and 1914 Oxford lecture on Population. It provides a detailed commentary on the text of Population and discusses the extent of Keynes's engagement with the Social Darwinist doctrine of the rapid multiplication of the unfit and with eugenics. It then traces the subsequent vicissitudes of his views on population...