edited by Jill S. Baron ; foreword by Paul R. Ehrlich. edited by A. S. Bhalla ; foreword by Jan de Koning. edited by Jie Jack Li ; foreword by E. J. Corey. edited by Susan Gray; foreword by Paul Goldberger. edited by R.G. Hill, H.P. Rang ; foreword by Patrick Vallance. edited by Jerri Bell and Tracy Crow ; foreword by Kayla Williams. edited by Cristobal G. Duarte ; foreword by James C. Hunt. edited by Bill Tonelli ; foreword by Nick Tosches. edited by Gail Shanley Corso ; foreword by Monica McGoldrick. edited by Diana W. Freckman ; foreword by J.A. Wallwork.