He was born in
Anstruther, Scotland on 4 January 1880, the son of David Watson and his wife Elizabeth Clark Watson (née Philp) and was baptised at Anstruther Easter Church on 5 March 1880. He attended the local school
Waid Academy and then entered the
University of Edinburgh to study medicine. In 1902 he graduated
MB ChB with first class honours and the award of the Ettles and Buchanan Scholarships as top student in his year. Three years later he graduated with the degree of
Doctor of Medicine (MD) and was awarded a gold medal for his thesis on amniotic fluid and changes in the placenta following foetal death. In the same year he passed the examinations to become a Fellow of the
Royal College of Surgeons of Edinburgh (FRCSEd). One of his examiners was
Joseph Bell, the Edinburgh surgeon whom
Arthur Conan Doyle (who had been Bell's assistant), used as the model for
Sherlock Holmes. Later that year, he was appointed University of Edinburgh tutor in Diseases of Women, a post which he held until 1912. For the last two years of this appointment, he was a lecturer at the extramural
School of Medicine of the Royal Colleges of Edinburgh. During this time he wrote
Gynaecological Pathology and Diagnosis in collaboration with
Alexander H. Freeland Barbour, one of the earliest English-language textbooks devoted exclusively to this subject. == Career ==