Painter and collage artist. Attracted primarily to landscape motifs, he also painted still lifes and figurative canvases, as well as federal art project murals. His evocative, richly colored works reconcile motifs from nature with sensuous design. During his career he moved toward increasing abstraction, as he sought to express a spiritual response to visible reality. Certain late works incorporate flagstone fragments. A slow and meticulous worker, he finished relatively few works, but these earned a major reputation in the 1950s. He was born in Benton Heights, near Baltimore, where he studied at the Maryland Institute of Fine Arts (now the Maryland Institute College of Art) with John Sloan and Leon Kroll. During a year in Paris, he worked with modernists André Lhote and Moïse Kisling before moving to New York in 1925. He was married briefly in the 1920s to Jack Tworkov's sister, known professionally as Biala. After Elsie Driggs became his wife in 1935, Gatch settled in Lambertville, New Jersey, on the Delaware River. He died in a hospital in nearby Trenton.