Philosophical Letters. or, Modest Reflections Upon Some Opinions in Natural Philosophy

📒 Margaret Cavendish, Duchess of Newcastle-upon-Tyne (1623-73) was an English aristocrat, philosopher, poet, scientist, fiction writer and playwright who was an attendant to Queen Henrietta Maria and travelled with her into exile in France, living for a time at the court of the young Louis XIV. This collection of her Philosophical Letters was first published in 1664.