John Atkinson Grimshaw was a British artist of the 19th century and is considered one of the most important painters of the Victorian era. He became particularly known for his atmospheric cityscapes and landscapes at dusk and under moonlight. His most famous paintings, including Whitby Harbour by Moonlight and Reflections on the Thames, remarkably capture mystical nighttime scenes. Grimshaw’s artworks were highly regarded during his lifetime and remain a significant part of British art history today.