<Li> Mary (mother) </Li> <Tr> <Th_colspan="2"> Signature </Th> </Tr> <P> James Parkinson FGS (11 April 1755--21 December 1824) was an English surgeon, apothecary, geologist, palaeontologist, and political activist, who is best known for his 1817 work, An Essay on the Shaking Palsy in which he was the first to describe "paralysis agitans", a condition that would later be renamed Parkinson's disease by Jean - Martin Charcot . </P> <P> James Parkinson was born in Shoreditch, London, England . He was the son of John Parkinson, an apothecary and surgeon practising in Hoxton Square in London . He was the oldest of five siblings, who included his brother William and his sister Mary Sedgwick . In 1784 Parkinson was approved by the City of London Corporation as a surgeon . </P>

Who wrote the essay on the shaking palsy