A Life in Color and Scale Frederick Sproston Challener was a Canadian painter known for his work as a muralist, an easel painter of oils and watercolours, and a draftsman in black-and-white and pastel. Born in London, United Kingdom, he spent much of his life in Canada, where he became recognized as one of the foremost mural decorators. His artistic journey began after being recognized by John Arthur Fraser, who supported his studies…