Chuang Hua ; with a foreword by Amy Ling. by Philip Burtt ; with a foreword by Frank Pick. W.R. Smyser ; with a foreword by Paul Nitze. Koichi Tanaka ; with a foreword by Gerd Kaupp. Stephen Hall ; with a foreword by Ti Liang Yang. Pierre Sagaut ; with a foreword by Massimo Germano. Edward Sagarin ; with a foreword by Marvin E. Wolfgang. by Shao-Tseng Wu ; with a foreword by Emory R. Johnson. Luis A. Santalo ; with a foreword by Mark Kac. R. W. G. Hunt ; with a foreword by W. D. Wright.