Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lieutenant-Colonel Sir Arthur Henry McMahon, GCMG, GCVO, KCIE, CSI (28 November 1862 Shimla, India 29 December 1949 London, United Kingdom) was a British diplomat and Indian Army officer who served as the High Commissioner in Egypt from 1915 to 1917. He was also an administrator in British India, and served twice as Chief Commissioner of Balochistan. McMahon is best known for the McMahon-Hussein Correspondence, as well as the McMahon Line between Tibet and India.