A dialogue between two sculptors, their most recognizable work separated by the space of two world wars—Auguste Rodin (1840–1917) and Alberto Giacometti (1901–1966). Rodin’s figures are deeply dimensional, muscular, and riddled with energy. Giacometti’s figures are pulled thin, spindly, suggesting the longest shadows of the day—sunrise or sunset. What does one world say to the other? —E.C.