In which we discover how our tree-clambering ancestry made us who we are
Two of far nobler shape erect and tall
Godlike erect, with native Honour clad
In naked Majestie seemd Lords of all
And worthie seemd, for in thir looks Divine
The image of thir glorious Maker shon
—John Milton, Paradise Lost
Ask anyone to think of an image that sums up the process of evolution (as I, dear reader, am now asking you), and it’s a fair bet that most will call to mind The March of Progress or one of its many successors. This picture, created by natural history artist Rudolph Zallinger in 1965 for the book Early Man by F. Clark Howell, depicts fourteen ...