Engraving depicting Margaret Lucas Cavendish, Duchess of Newcastle-upon-Tyne, circa 1650. Photograph: Kean Collection/Getty Images. Margaret Cavendish (1623-1673) was an English aristocrat, poet, essayist, playwright and scientist. At a time when most women writers were publishing anonymously, Cavendish published under her own name. She wrote about gender, power, manners, scientific method, and philosophy. Her book, “The […]