https://en.wikipedia.org/wiki/Christopher_Alexander An architect best known for being a design theorist: maybe a(n interesting) crank? In 1977 he wrote A Pattern Language https://en.wikipedia.org/wiki/A_Pattern_Language which was the inspiration for the original CS Design Patterns book https://en.wikipedia.org/wiki/Design_Patterns .

An influential architect whose ideas form the basis of 'design patterns' in software development.