Paul César Helleu, French painter and illustrator (d. 1927)
Paul César Helleu (17 December 1859 – 23 March 1927) was a French oil painter, pastel artist, drypoint etcher, and designer, best known for his numerous portraits of beautiful society women of the Belle Époque. He also conceived the ceiling mural of night sky constellations for Grand Central Terminal in New York City. He was also the father of Jean Helleu and the grandfather of Jacques Helleu, both artistic directors for Parfums Chanel.