With a foreword by Maurice Cook. With a foreword by Lord Todd. With a foreword by Paul Robeson. with a foreword by Peter Debye. with a foreword by John Cockcroft. with a foreword by A. D. Baxter. With a foreword by H. Berry. With a foreword by H. E. Taylor. With a foreword by H. M. Barlow. With a foreword by H. R. Ing.