Arnold Henry Mason RA (20 March 1885 - 17 November 1963) was a British portrait painter of the twentieth century.
In 1906 he was Assistant to Sir William Richmond on the internal decorations of the Old Bailey Courtrooms, London.
[1] He befriended the artist Roy Beddington and assisted him in getting his career established in London.
[6] Most of his finished portraits are signed, often with "Arnold Mason" followed by the last two digits of the year date.
One of his most notable oil paintings on canvas is to be seen at the National Portrait Gallery in London.