Dr Sanjoy Sanyal wrote this article when he was doing his Masters in Royal College of Surgeons of Edinburgh, University of Bath, United Kingdom. It traces the origin of the term and discipline called 'Medical Informatics'; describes its evolution and mentions its current healthcare applicability and academic status. It is fundamental towards understanding today's Information Explosion and its digital implications in all work atmospheres. Today Dr Sanjoy Sanyal is Professor and Course Director of Neuroscience and FCM-III in Caribbean.