C._A._Keatinge_Johnson
Lieutenant-Colonel Clarence Arnold Keatinge Johnson (1870–1937) was a senior officer in the First Australian Imperial Force.[1][2] He was second in command of the 4th Light Horse, AIF, and part of the contingent in the 1st Expeditionary Force to Egypt.[1] Keatinge Johnson later commanded the Australian Overseas base in Egypt, was Assistant Adjutant-General in England and in the final stage of his military career was cable censor at the British Military Intelligence Department.[1]