Carl Bernhard Graf (1926-1968) was a Zürich based graphic designer that not many people know about. But the work that he left behind is just as good as the well-known designers of his time.
There isn’t much information on Graf (hence the terrible quality of the photo above) but Jonathan Turner has put together a Flickr set comprised of his work. You can also see more of Graf’s work in the classic design books “Graphic Design in Swiss Industry” and “Publicity and Graphic Design in the Chemical Industry“.
If you have any extra cash laying around, you can pick up an original Graf poster for $350.