Kalyani Tupkary

The development that really established the seven-day week as insurmountable, Henkin contends, came in the middle of the twentieth century: the television schedule.

While historical texts have long been subject to critical analysis, the formal and historical problems posed by graphic representations of time have largely been ignored. This is no small matter: graphic representation is among our most important tools for organizing information.*

What do people need to understand? What are the edges of the map or diagram? What are you not mapping or diagramming? Where will other people see this map or diagram (e.g., on a wall, in a presentation, on paper)?