hoffi el@uj.ac.za HOFFIE LEMMER beklee 'n aanstelling asEmeritus Professor aan die Universiteit van Johannesburg. Hy het aan die Universiteit van Pretoria gestudeer en het die grade B.Sc (met lof), M.Sc (met lof) en D.Sc aldaar verwerf. Hy het ook aan daardie inrigting sy beroepsloopbaan begin as lektor en later senior lektor, voordat hy in 1968 by die R.A.U. as professor aangestel is. Sy hoof navorsingsrigting was op daardie stadium nieparametriese statistiek en hy het meer as dertig artikels in internasionaal erkende tydskrifte gepubliseer. Hy was ook betrokke by 'n groot verskeidenheid konsultasieprojekte. Hy het aan die einde van 2001 afgetree en het daarna 'n aanstelling aanvaar as Spesiale Professor met die oog op die voortsetting van sy navorsing. Sedert sy aftrede spits hy hom toe op die ontwikkeling van prestasiemaatstawwe in krieket, waarin hy reeds agt navorsings-en talle populêre artikels gepubliseer het. HOFFIE LEMMER currently holds an appointmentas an Emeritus Professor at the University of Johannesburg. He studied at the University of Pretoria and obtained the B.Sc (cum laude), M.Sc (cum laude) and D.Sc degrees at this university. He also started his academic career at the University of Pretoria as a lecturer and was subsequently promoted to senior lecturer at the same institution. In 1968 he was appointed as professor of statistics at the R.A.U. His main research interest at the time was non-parametric statistics and he published more than thirty papers in international journals. He was involved in many consultation projects. He retired at the end of 2001, after which he was offered the position of Special Professor at the University of Johannes burg, in order to enable him to continue his research. Since his retirement his research has focused on the development of cricket performance measures. Thus far he has published eight research papers and many popular articles in this fi eld. Hoffi e Lemmer ABSTRACT Cricket performance measures