Llewellyn became a medical practitioner in Kempsey. He had done his training at the University of Sydney. HOL's mother, Edie, was Llewellyn's second wife. She was a nurse who had completed her general nursing training at Kalgoorlie District Hospital, Western Australia. Edie belonged to a powerful Western Australian family that included the Forrests (one first cousin was a Forrest). Sir John Forrest (1847-1918), the most eminent of the Forrests, is an outstanding figure in Australian history. Western Australia's first premier (1890-1901), he * Eugene Seneta, FAA, succeeded H.O. Lancaster as Professor and Head of Mathematical Statistics at the University of Sydney in 1979. Denoted by 'ES' in the sequel. ** Geoff. Eagleson was one of Lancaster's first PhD students in Mathematical Statistics (PhD, University of Sydney, 1967). * HOL's publications are consecutively numbered within each of two separate lists at the conclusion of this biographical memoir. Thus II.83 refers to item 83 in list II. References in the text to other works are in the usual name and date format, and are to be found under 'References'. 1998 85. (with E. Seneta) Chi-square distribution. In Encyclopedia of Biostatistics. P. Armitage and T. Colton (Eds).