Complex sentence: Gamble was born in London, the son of Harpur Gamble, M.D. and Isabella, and educated at the Royal Naval School, New Cross, Magdalen College, Oxford, and the "École nationale des eaux et forêts", Nancy.
Split into simpler sentences: Gamble was born in London, the son of Harpur Gamble, M.D. and Isabella. Gamble later studied at the "École nationale des eaux et forêts", Nancy.