With Professor Syed (Zia) Rahman’s family background, his destiny always lay in human health. Zia is a scion of one of the great Unani physician dynasties, with roots dating to the twelfth century. His forebears fled Iran during the Changezi massacres (1219-1258) perpetrated by Genghis Khan and his famously bloodthirsty Mongol warlords. Up to 15 million Iranian civilians lost their lives in this period – an estimated 90 per cent of the country’s population. Zia’s ancestors escaped to India, and with them, the centuries old tradition of Unani medicine. His family is the custodian of manuscripts that date to the tenth century, and that have now been declared a national treasure by the Indian Government. Zia’s family helped found the practice of Unani in India where it became, along with Ayurveda, one of the twin pillars of traditional medicine practiced across the subcontinent for centuries, and remains widely used to this day. In rural India particularly (where up to 80 per cent of In...