Complex sentence: Gideon Mantell described her as'A lady of great talent and indefatigable research,' whilst the Sowerbys note her' labours in the pursuit of geological information have been as useful as they have been incessant.
Split into simpler sentences: Gideon Mantell described her as'A lady of great talent and indefatigable research.', whilst the Sowerbys note her' labours in the pursuit of geological information have been as useful as they have been incessant.