Sir John Parkinson FRCP (10 February 1885 – 5 June 1976) was an English cardiologist known for describing Wolff–Parkinson–White syndrome.
in 1910, subsequently working as an assistant to Sir James Mackenzie at the London Hospital.
[2] During the First World War, he served with the Royal Army Medical Corps, commanding a military cardiology centre in Rouen.
He also served as consultant to the National Heart Hospital and was a civilian cardiologist for the Royal Air Force from 1931 to 1956.
Their son, Robert Parkinson, was one of the "Channel Dash Heroes" killed during the Second World War in 1942, at the age of 19.