LYLE, Sir Thomas Ranken, Knt. (1922), F.R.S., M.A., D.Sc (Dublin); formerly Lecturer in Mathematics Catholic University College, Dublin; Professor of Natural Philosophy, Melbourne University, 1889-1915; Chairman of the Electricity Commissioners. State of Victoria; son of Hugh Lyle, of Coleraine, Co. Londonderry; b. 1860; m. 1892, Clare, C.B.E., dau. of late Thomas Millear. Res.: Lisbuoy, Toorak, Melbourne, Australia.