Percy Robertson was the son of the watercolourist Charles Robertson, RWS. He was born in Bellagio, Italy and studied at Charterhouse school in Surrey. A talented watercolour landscape painter and very capable etcher, he was elected a member of the Royal Society of Painter Etchers and Engravers in 1908. He lived in Godalming, London and between 1909-1915 at The Cherries, Maidenhead, Berkshire. It was at this time that he executed a series of approximately 200 views of the Thames from Oxford to Kingston on Thames. He exhibited widely including 33 works at the Royal Academy and 166 works at the Royal Society of Etchers.