With a foreword by Walter C. Alvarez. With a foreword by Peter G. Masefield. With a foreword by James J. Waring. with a foreword by Peter Debye. With a foreword by Alan N. Drury. With a foreword by Charles T. Myers. with a foreword by A. D. Baxter. With a foreword by Charles C. Fries. With a foreword by James R. Newman. With a foreword by R. H. Evans.