Ukrainian dancer and choreographer Serge Lifar (1905-86) is recognized both as the modernizer of French ballet in the twentieth century and as the keeper of the flame of the classical tradition upon which the glory of French ballet was founded. Having migrated to France from Russia in 1923 to join Diaghilev's Ballets Russes, Lifar was appointed star dancer and ballet director at the Paris Op ra in 1930. Despite being rather unpopular with the French...