Walter Leighton Clark

Walter Leighton Clark (1859–1935) was an American businessman, inventor, and artist based in Stockbridge, Massachusetts and New York City.
In 1922, together with John Singer Sargent and Edmund Griesen, he created the Painters and Sculptors Gallery Association in New York, the continuation of which was the Grand Central Art Galleries and the Grand Central School of Art located near Grand Central Terminal. The gallery offered American artists the opportunity to exhibit their work in the United States without having to ship it overseas.