Letter from Frederick [Walker] Mott, 25 Nottingham Place, London, to the Secretary of the Royal Society, Burlington House, Piccadilly 'Dear Sir, I should be obliged if you would in future send all communications to my private address, 25, Nottingham Place, London, W.1. would you also be good enough to alter my title "K.C.V.O" to "K.B.E.". Yours faithfully, Frederick W Mott'. 6 May 1924