Klaus Zwerger ; with a foreword by Valerio Olgiati. Paul Farmer ; with a foreword by Amartya Sen. T.W. Ko?rner ; with a foreword by Terence Tao. T.J.E. Miller ; with a foreword by Charles Concordia. L.S. Ettre ; with a foreword by M.J.E. Golay. Ulrich Pietsch ; with a foreword by Hope McGrath. David Ruelle ; with a foreword by Giovanni Gallavotti. Hamilton H. Turner, with a foreword by Maurice E. Webb. Walter Greiner ; with a foreword by D.A. Bromley. Otto Jespersen ; with a foreword by Randolph Quirk.