Sergei Diaghilev was a Russian ballet impresario, patron, and art critic. He is credited with founding the popular ballet company Ballets Russes, which has produced some of the greatest and popular choreographers and dancers like Tamara Karsavina, Lydia Sokolova, Serge Lifar, and Alicia Markova. Sergei Diaghilev is remembered for placing the needs of his company and dancers above his own.
Cesar Cui was a Russian composer best remembered for his association with a group called The Five, which worked to create a national style of classical music. Also a well-known music critic of his time, Cui worked hard to promote the music of other Russian composers, especially the works of his co-members from The Five.
Ivan Kramskoi was a Russian art critic and painter. Kramskoi played an important role as an intellectual leader of a popular Russian art movement called The Itinerants between 1860 and 1880. He was also considered an eccentric as he would not charge money for expensive frames while giving his works to his customers.