 After his time in the Gambia, he was a member of the Devlin Commission of Enquiry into the Nyasaland disturbances in 1959 and served as the Administrator of the North Cameroons from October 1960 to June 1961.The North Cameroons was a region of Nigeria that had been a League of Nations mandate but had become a United Nations Trust Territory overseen by the United Kingdom.A United Nations plebiscite on the region's future conducted during his tenure resulted in the region formally becoming part of Nigeria at the end of May 1961.