Answer
César Cui was born on January 18, 1835. He was a Russian composer, music critic, and military engineer. Cui is best known for his operas, which include "William Ratcliff" and "Angelo." He was also a member of the group of composers known as "The Five," which included Mily Balakirev, Alexander Borodin, Nikolai Rimsky-Korsakov, and Modest Mussorgsky.