My friends often ask me about my favourite ballerina. As I have been a ballet lover for decades, it is quite difficult to answer this question, given the amount of ballerinas I have seen perform. All dancers have different strengths and weaknesses; Rudolf Nurejew, for example, while a presence onstage and reknowned as the best dancer of the 20th century, would not be considered extremely talented by todays standards. I will also not be mentioning excellent prima ballerinas who have passed their prime, such as Sylvie Gulliem and Darcy Bursell.
Alexei Ratmansky is one of the most reknowned choregraphers today. He reconstructs and revives old ballets by spending months to study the movement score, step by step. So Sleeping Beauty came out with more subtlety, with more gradation and more in-between things. These are small differences but in the end it makes a changed ballet.