For years, Audi advertisements have used the slogan “Vorsprung durch Technik.” Only a fraction of the millions who have read or heard the words know what they mean (“Progress through technology,” is the answer). The ad campaign works because people associate German design and manufacturing with quality, precision, and technical brilliance. Whether it’s Carl Zeiss lenses, BMW motorcycles, Bosch dishwashers, or Lamy pens, people buy German with the expectation of excellence. How did Germany get so good at manufacturing?