Question: Which composer was a member of the russian five?
Answer: Mily Balakirev, César Cui,Modest Mussorgsky, Nikolai Rimsky-Korsakov and Alexander Borodin
Natural Questions answer: César Cui
Alexander Borodin
Mily Balakirev
Modest Mussorgsky
Nikolai Rimsky - Korsakov (from the Wikipedia article "List of Russian composers")