Andr鈋 C. Drainville ; with a foreword by Saskia Sassen. Luis A. Santalo ; with a foreword by Mark Kac. Luis A. Santaló ; [with a foreword by Mark Kac]. E. M. H. Lips, with a foreword by G. V. Stabler. Paul Farmer ; with a foreword by Amartya Sen. by F. C. Orchard, with a foreword by H. C. Harland. Pierre Sagaut ;with a foreword by Massimo Germano.