I copied this from a slide that I used in one of my lectures on simplicity, symmetric or asymmetric tension, and letterform (more line). I did not have any information written on it but as DavidMcFarline and alphanumeric pointed out, it was designed by Maria Vieira 1957. I thought someone out there in Flickrland would know. Thanks everyone!

Opening up my student’s minds to see in new ways was sometimes a difficult project. (At times i felt as if I needed a hammer and crowbar.) So I would start out with something so simple that it could not be broken down any further. Line and change of direction of line, or even a dot……