Sir John Charles Nicholson, 3rd Baronet, (10 January 1904 – 16 March 1986)[1] was an English surgeon.
During the conflict he served in the Royal Army Medical Corps as a surgical specialist in the rank of Lieutenant-Colonel.
In 1947 he moved to Cambridge, Massachusetts, where he held the post of Fellow in Surgery at Harvard University; he returned to England the following year.
[1] Nicholson retired from medicine in 1969 and lived with his wife at Sunbury-on-Thames, where he indulged in his hobby of sailing.
[2] Nicholson's father was a prolific and noted architect and designer of ecclesiastical buildings and war memorials.