Captain Sir Ion Hamilton Benn, 1st Baronet CB DSO (31 March 1863 – 12 August 1961) was a British politician and businessman. He was a Conservative member of parliament from 1910 to 1922 In 1900, he was elected to Greenwich Borough Council and served as mayor from 1901 to 1902. He was a founder member of the Metropolitan Water Board in 1903 Member of the Municipal Reform Party elected to the 1907 London County Council representing Greenwich. More information on the Wikipedia page [1]. Painting here [2].