Which was the earliest to be an influential figure in the development of ballet as a performance art?

Question

What is the name of the 1928 ballet commissioned for performance at the Library of Congress in Washington, D.C., composed by Igor Stravinsky, re-costumed by Coco Chanel in 1929, and the first major ballet choreographed by 24-year old George Balanchine?

Answer 1

King Louis XIV of France
Under Louis's patronage in the 17th and 18th century, court ballets flourished and developed together with ballet composers, choreographers and dancers. The king founded the Académie Royale de Danse, and in 1669, the Académie d'Opéra, important driving events in the evolution of ballet.