This first European retrospective of the German-born Venezuelan artist known as Gego (Gertrud Goldschmidt, 1912–1994) located her work at the intersection of international modernism and local vernacular, adding her name to the list of postwar Latin Americans—among them Mira Schendel, Lygia Clark, and Hélio Oiticica—whom recent art history has vindicated. Like that of Clark, Gego’s work teeters in a fascinating way between improvised materiality and styleless, eternal forms that involve spectator interaction and the surrounding space.

After a relatively conventional practice of geometrical sculpture,