This spring, MoMA will host the first large-scale exhibition to grant international visibility to the photographs of Grete Stern and Horacio Coppola. The transatlantic journey of these creative partners (and, at one point, spouses) demonstrates that before the paralysis of Europe during World War II, avant-gardes emerged simultaneously in various metropolises of the world, eradicating the notion of periphery. Stern and Coppola left a Bauhaus closed by the Nazis to land eventually in Buenos Aires, where they hosted Argentina’s “first”