Final answer:
Le Corbusier is the artist associated with the introduction of Art Deco in architecture.
Step-by-step explanation:
Among the artists listed, Le Corbusier is associated with the provocative introduction of Art Deco in architecture during the post-World War I era. While Robert Delaunay and Sonia Delaunay were influential in the development of Orphism and Fernand Léger was associated with Tubism, it is Le Corbusier's architectural style that had a direct influence on Art Deco and the shaping of modern urban environments with his innovative and utopian designs.