William Payne (1760–1830): The Innovator of Atmospheric Watercolor William Payne (c. 1760 – after 1830) stands as a pivotal figure in the history of watercolor painting, largely unrecognized today but profoundly influential during his time. Born in Devon, England, he emerged as a brilliant draftsman and etcher who fundamentally altered artistic practice through his groundbreaking invention: Payne’s Grey. This unassuming pigment—a mixt…