Hans Dehlinger is a German architect and artist who has made pen-plotter drawings from his own code since the early 1980s. He led a computer-aided design institute at the University of Kassel from 1991 to 2004.

Actually, when I arrived in Berkeley, by a lucky incident I stumbled into the Exploratorium, where the Cybernetic Serendipity show just had arrived, and I spent a whole afternoon, a single person, nobody else but me, in these rooms.
Hans Dehlinger, The 1970s Artist-Programmer: Truckenbrod, Dehlinger
The basic class in studying architecture was taught by a Bauhaus master, one of the last ones. And we had to work on big sheets of paper with very small elements, writing an entire tableau just to train our hand to write A, B, C.
Hans Dehlinger, The 1970s Artist-Programmer: Truckenbrod, Dehlinger