Simpson, Prof. Elizabeth, (born 29 April 1939), Professor of Immunogenetics, Imperial College London (formerly Royal Postgraduate Medical School, subsequently Imperial College School, then Faculty, of Medicine, London University), 1994–2004, now Emeritus Professor of Transplantation Biology; Head of Transplantation Biology Group, 1984–2004, and Deputy Director, 1994–2004, MRC Clinical Sciences Centre, Hammersmith Hospital (formerly Clinical Research Centre, Harrow)