He was born at 98 Victoria Street, Westminster, London SW1 and was the second son of the Rev Patrick and Mrs Watson. His father was vicar at Earlsfield in the London Borough of Wandsworth.
He grew to be ix foot five inches tall and was recruited more or less off the street when war was declared in 1914 and was posted to France.
He was in the Signals Company attached to the 5th Division (one of the two Divisions which made up two Corps.
He rose to be a temporary major in the tank corps, was mentioned in despatches and won the DCM and DSO. His DCM was awarded for 'conspicuous gallantry and resource on numerous occasions in carrying messages under shell and line fire, especially on the Aisne and at Givenchy'.
In 1916 he married Ruth Barbara Wake, who was the daughter of Frederick George Arthur Walker DSO, and in 1919 they moved to 35 Denmark Avenue, Wimbledon/ They had one son Patrick. who outgrew his father to become six feet eight inches tall!
His was memoirs, 'Adventures of a Despatch Rider', first published in 1915 and based on letters he had sent home to his parents, became a bestseller.
After World War I was over he worked as a principal clerk, rising to become an assistant-secretary at the Ministry of Labour in Wimbledon.