Complex sentence: Sir Horatio Norman Bolton (1 February 1875--24 May 1965) twice served as the Chief Commissioner of the North-West Frontier Province of British India from 1923 until 1925 and again from 1926 until 1930.
Split into simpler sentences: Sir Horatio Norman Bolton (1 February 1875--24 May 1965) was a British civil servant in British India. He twice served as the Chief Commissioner of the North-West Frontier Province from 1923 until 1925 and again from 1926 until 1930.