Hubcap  

by Gary Panter  

2012

Head of a Woman.

Richard Diebenkorn

1960

Study of the Trunk of an Elm Tree   

John Constable (1776–1837)

Alexander Graham Bell  

Tetrahedral Kite  

1903

Cactus on the Plains  

Diego Rivera  

1931

George Herriman, self portrait 

creator of Krazy Kat  

1922

An Effect of the Sun  

Gustave Le Gray  

c. 1856