Complex sentence: The Honounorable John Murdoch Mitchison FRS, FRSE (11 June 1922, Oxford--17 March 2011, Edinburgh) was a British zoologist, the son of the Labour politician Dick Mitchison and his wife, the writer Naomi (née Haldane).
Split into simpler sentences: The Honounorable John Murdoch Mitchison FRS, FRSE (11 June 1922, Oxford--17 March 2011, Edinburgh) was a British zoologist. He is the son of the Labour politician Dick Mitchison and his wife, the writer Naomi (née Haldane).