Answer
The famous choreographer Sir Frederick Ashton wrote numerous parts specifically for Fonteyn and her partner, Robert Helpmann. Ashton was a British choreographer who is considered one of the most important figures in the history of ballet. He is best known for his work with the Royal Ballet, for which he choreographed over 100 ballets. Ashton's choreography is characterized by its fluid movement, use of space, and attention to detail.