This post is a collection of diagrams intended to display the macroeconomy. Diagrams have been used since ancient times to describe complex phenomena. In 1996, Bert Hall said, "diagrams are simplified figures, caricatures in a way, intended to convey essential meaning." I included my own version at the end of the post.
Richard Cantillon (1680's-1734)
Francois Quesnay (1694-1774)
Paul Samuelson (1915-2009)
Ari89 (Wikipedia username)
Irconomics (Wikipedia username)