01-27-2015 DESIGN The Medieval Roots Of The Tree Diagram Data viz isn’t just a modern-day craze. Designer Manuel Lima, author of The Book of Trees, discusses the origins of the tree diagram.

How do scientists diagram evolutionary relationships? Scientists represent evolutionary relationships with tree diagrams (also called cladograms) because new life forms appear the way new branches ...

The problem of limitations is especially true for tree diagrams that don’t resemble trees – and fewer and fewer do. Lima’s guidance is sadly absent where it’s needed most.