Luis Barragan built some great walls in Mexico.
Luis Barragan
Barragan paid for his own walls at Casa Luis Barragan.
Juan O'Gorman
Mathais Goeritz
Mathais Goeritz and Ricardo Legorreta
The Mexican government, through a program led by Diego Rivera, paid American-born artist Isamu Noguchi to build this wall in Mexico City.
The mural deals with greedy capitalists and fascism. It was done in the early 1930's and is unfortunately relevant again.