Henry Fuseli was a Swiss painter, draughtsman, and writer, born in 1741 in Zurich. He is best known for his dramatic and imaginative works, often featuring supernatural themes and intense emotions. Fuseli moved to London in 1764, where he became a prominent figure in the art scene and was associated with the Royal Academy. Fuseli's most famous painting, "The Nightmare," depicts a woman in a deep sleep, haunted by a demonic figure. His style is characterized by bold colors and dynamic compositions, which influenced later artists, including the Romantic movement. Fuseli passed away in 1825, leaving a lasting impact on the world of art.