by W.V.D. Hodge ; with a foreword by Michael Atiyah. by H. A. Thomas ; with a foreword by Sir E.V. Appleton. by Reta C. Moser ; with a foreword by Bill M. Woods. by A.G. Warren ; with a foreword by Alexander Russell. by D.J. Finney ;with a foreword by F. Tattersfield. by J.S. Marsh ; with a foreword by John Johnston. Laban P. Ayiro ; with a foreword by Richard K. Mibey. by A. R. Stokes. With a foreword by Sir John Randall. L.S. Ettre ; with a foreword by M.J.E. Golay. by Sydney F. Page ; with a foreword by W. E. Walters.