Complex sentence: Mary Hartwell Catherwood (Ohio, 1847-Chicago, 1902) was an American writer of historical romances, publishing both novels and short stories in periodicals such as "Lippincott's Magazine", "Harper's Magazine", and the "Atlantic Monthly".
Split into simpler sentences: Mary Hartwell Catherwood (1847-1902) was an American writer of historical romances. Borth in Ohio in 1847, she published both novels and short stories in periodicals such as "Lippincott's Magazine", "Harper's Magazine", and the "Atlantic Monthly".