Sir Nicholas Attygalle Oration    For biographical information on Sir. Nicholas please refer: Ranasinghe DA. The inaugural: Sir Nicholas Attygalle Memorial Oration. 17th July 1975. Ceylon Med J. 1975 Sep;20(3):150-6.   Past Orations   2007 – Towards total maternal health through well-advised paternal participation - Dr. L. A. W. Sirisena, Consultant Obstetrician and Gynaecologist, Colombo.   2006 – Not awarded   2005 – Not awarded   2004 – The challenges of managing infertility - Prof Harshalal R Seneviratne, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Colombo   2003 – Not awarded   2002 – Polycystic Ovarian Syndrome (PCOS): How relevant is it to women from South Asia - Dr. Chandrika N Wijeyaratne, Senior Lecturer in Reproductive Medicine, Faculty of Medicine, University of Colombo.   2001 – Definition of the stomach and the oesophagus - Prof. Parakrama Chandrasoma, Professor of Pathology, Keck School of Medicine, University of South California, USA.   2000 – Not awarded   1999 – Suicide in Sri Lanka - Points to Ponder - Prof. H Janaka de Silva, Professor of Medicine, Faculty of Medicine, University of Kelaniya.   1998 – Sri Lankan strokes - Dr. Saman Gunatilake, Consultant Neurosurgeon, Colombo.   1997 – The Natural history of Non Insulin Dependent Diabetes Mellitus in Sri Lanka - Dr. Devaka Fernando, Senior Lecturer in Medicine, Faculty of Medicine, University of Colombo.   1996 – Developing a molecular marker for metachoronous colorectal cancer - Dr. Mohan de Silva, Senior Lecturer in Surgery, University of Sri Jayawardenapura.   1995 – Not awarded   1994 – Not awarded   1993 – Not awarded   1992 – Not awarded   1991 – Not awarded   1990 – Not awarded   1989 - A neurosurgical profile of spinal disorders in Sri Lanka - Dr. Colvin Samarasinghe, Consultant Neurosurgeon, General Hospital, Colombo.   1988 – Not awarded   1987 – Endoscopic evaluation of diseases of the upper gastrointestinal tract - Sri Lankan Experience - Dr. Dayasiri Fernando   1986 – The role of surgery in the management of thoraco-lumbar spinal injuries.- Dr. J. R. Corea   1985 – Not awarded   1984 – Not awarded   1983 – Perthe's disease in Kurunegala - Chanaka Wijesekera, Consultant Orthopaedic Surgeon, Kurunegala.   1982 – Not awarded   1981 – Not awarded   1980 – Not awarded   1979 – Not awarded   1978 – Not awarded   1977 – Atrial septal defects - Dr. S.J. Stephan, Consultant Thoracic Surgeon, General Hospital, Colombo.   1976 – Not awarded   1975 – Life and work of Sir Nicholas Attygalle - Dr. D. A. Ranasinghe, Emeritus Professor of Obstetrics and Gyanecology, Colombo Campus, University of Sri Lanka.