A profile of Swiss cartographer Eduard Imhof, famous for his work on relief mapping, from a 1983 Swiss TV program. Captioned in English if you can’t understand Swiss German for some reason. (Thanks to Henrik Johansson for the link.)
More on Imhof at Relief Shading, Terrain Models and Wikipedia.
Previously: Imhof’s Cartographic Relief Presentation; Codex 99 on Berann, Imhof and Everest.