In 1817 James Parkinson, a member of the Royal College of Surgeons in London, published his famous paper, An Essay on the Shaking Palsy (1).  In this document he described “shaking palsy (paralysis agitans).”*  This term was used in reference to a partial description given by the Greek physician Galen in the second century A.D.** … Continue reading 200th Anniversary of An Essay on the Shaking Palsy