Robert K. Moseley ; [foreword by Ma Keping]. Robert L. Benedetti ; foreword by Ted Danson. Robert J. McEliece ; with a foreword by Mark Kac. Robert C. Merton ; foreword by Paul A. Samuelson. Robert F Kennedy ; Foreword by Arthur Krock. Robert K. yin ; foreword by Donald T. Campbell. edited by A. S. Bhalla ; foreword by Jan de Koning. Robert D. Richardson With a foreword by Megan Marshall