sentences:  He began his advertising career in 1950 as a junior art director at N. W. Ayer & Son in Philadelphia.After working as an art director for J. Walter Thompson in London and Foote, Cone & Belding in New York, he became creative director of the Marschalk Company in 1959.During his time at Marschalk, Free introduced New York to the first soda brands to be added by the Coca-Cola company; Sprite, Tab and Fresca.