Robert Oswald Moon FRCP JP (17 March 1865 – 28 July 1953), was a British physician, writer and Liberal Party politician.
In 1917 he joined the Royal Army Medical Corps with the temporary rank of Major.
[6] In November 1909 he was adopted Liberal candidate for the Marylebone East Division of London for the January 1910 General Election.
He was selected at the eleventh hour as Liberal candidate for the Oxford Division of Oxfordshire for the 1924 General Election.
With the Liberal party experiencing a mini-revival nationally he was unable to make this tell in Oxford and finished second again; He did not stand for parliament again.
They had a son, Penderel Moon, and four daughters, including Noël Oakeshott.