edited by Cristobal G. Duarte ; foreword by James C. Hunt. edited by Carl Pochedly ; with a foreword by Alvin M. Mauer. edited by Jill S. Baron ; foreword by Paul R. Ehrlich. edited by A. S. Bhalla ; foreword by Jan de Koning. edited by Peter Asquith ; foreword by P. G. H. Gell. edited by Margaret E. Dewar ; foreword by Harlan Cleveland. edited by Milford Bateman and Kate Maclean ; foreword by James K. Galbraith. edited by J. Douglas Sleigh, Morag C. Timbury ; foreword by James W. Howie. edited by Javier Garcia-Martinez ; foreword by Zhong Lin Wang. edited by R. Gokal ; foreword by David N.S. Kerr.