The Description of a New World, Called The Blazing-World, better known as The Blazing World, is a 1666 work of prose fiction by English writer Margaret Cavendish, the Duchess of Newcastle. It has been described as an early forebearer of Science Fiction. Margaret Cavendish, Duchess of Newcastle-upon-Tyne (1623 - 15 December 1673) was an English aristocrat, a prolific writer, and a scientist. Born Margaret Lucas, she was the youngest sister of prominent royalists Sir John Lucas and Sir Charles Lucas. She became an attendant of Queen Henrietta Maria and travelled with her into exile in France, living for a time at the court of the young King Louis XIV. She became the second wife of William Cavendish, 1st Duke of Newcastle-upon-Tyne in 1645, when he was a marquess.