American Art Collaborative

Painter, art instructor, writer; New York, N.Y. Born in Cologne, Germany. Came to the United States in 1939. He taught at the Brooklyn Museum School (1947-1951), Pratt Institute (1966-1969), and at Queens College (1966-1985). In 1971, he was editor and translator of GOETHE'S COLOR THEORY. Aach was president of the Artists Technical Research Institute, founded in 1959 by Bena Frank and Ralph Mayer to conduct scientific and educational research of materials and methods used in the visual arts.