“In 1974 Cook & Shanosky Associates, a design firm started by Mr. Cook and Don Shanosky a few years earlier, won a contract to develop a set of symbols that could be universally understood, and that would efficiently convey the kinds of information people in a public place might need. … The signage the two came up with, 34 pictographs (with others added later), is still in use today.” Later in life, he became an “art activist” making sculptural assemblages. – The New York Times