Complex sentence: The pioneer physician, scientist, and historian, Samuel Prescott Hildreth (1783-1863) was also buried in Mound Cemetery; his books provide insight into the early history of Marietta and the Northwest Territory and the lives of the soldiers and early pioneer settlers.
Split into simpler sentences: The pioneer physician, scientist, and historian, Samuel Prescott Hildreth, was also buried in Mound Cemetery. His books provide insight into the early history of Marietta and the Northwest Territory and the lives of the soldiers and early pioneer settlers.