BY JULIA DETCHON IN THE FALL OF 1945, gathered at the Buenos Aires homes of the psychoanalyst Enrique Pichón-Rivière and the photographer Grete Stern, a group of Argentine artists hatched an idea for a new movement based on abstract principles of painting. Under the name Arte Madí, they declared … [Read more...] about To and From the “Real” World: Concrete Art and Poetry in Latin America