Answer:
Leonetto Cappiello was best known during the Art Deco movement for his D. posters.
Step-by-step explanation:
Leonetto Cappiello was an Italian and Fresh poster designer who lived in Paris. He was a painter too. He was called the father of modern Advertising for his famous works in poster design. His designs are eye-catching and informative.
The posters are the tools for advertisements promoting messages related to various events. His designs were unique unlike his predecessors. He was the first painter to paint the figures in the black background.