In Balanchine's La Valse 1951		Tanaquil le Clercq 1929-2000 (left) in 1952 became the 5th and last wife of George Balanchine (right). All 3 images are from ref 375.Tanaquil in 1956, not wanting to feel sick on a plane, declined to have the new Salk polio vaccine, and caught the disease. She was disabled for the rest of her life.		As leader of the Bachantes in Orpheus.