In fourteenth century AD a Keralite mathematician and astronomer wrote about the infinite series. He is known as the Madhava of Sangamagrama to avoid confusion with other Madhavacharyas. In seventeenth century Issac Newton and Wilhelm Leibnitz also discovered the series. However for a long time Newton and Leibnitz continued to take credit for the discovery. It is heartening to know that Madhava’s contribution now has been recognised and the series is now known as Madhava series or Madhava – Leibnitz series.