In August 1915, he was appointed Assistant Financial Secretary at the Ministry of Munitions, where he was in charge of contracts and finance.

At the end of 1916, he was appointed Financial Secretary to the Treasury, usually a political office, and nominally held the post until 1921.

He also served as an Assistant Commissioner for Finance in the United States, 1917–1918, Treasury Representative at the Ministry of Transport, 1919–1921, a member of Weir Committee on Electricity which led to the establishment of the National Grid, and Chairman of the Telegraph Committee of Enquiry.

He is buried with his wife, Edythe, in the churchyard of St Mary's, Kings Worthy, Winchester, Hampshire.

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