Nikolai Rimsky-Korsakov was a great Russian composer, educator, conductor, public figure, and a member of the creative association known as "The Five" ("Moguchaya Kuchka"). Born in 1844, in Tikhvin, Novgorod Governorate, into a noble family. He graduated from the Naval Cadet Corps and served as a midshipman at the clipper Almaz (1863–1864), but ultimately dedicated his life to music. From 1871, he served as a professor at the Saint Petersburg Conservatory, mentoring a generation of outstanding composers. Rimsky-Korsakov entered history as one of the founding figures of Russian classical opera, composing 15 operatic works. His musical language is distinguished by vivid orchestral color, a fairy-tale atmosphere, and a profound connection to folk poetry. Among his most famous operatic masterpieces are "The Maid of Pskov" (1873), "May Night" (1880), "The Snow Maiden" (1881), "Sadko" (1896), "The Tale of Tsar Saltan" (1900), "Kashchey the Immortal" (1902), and "The Golden Cockerel" (1907). The online collection of the Bakhrushin Theatre Museum features posters, programs, set and costume designs for opera performances of Nikolai Rimsky-Korsakov's works, as well as archival documents reflecting his creative legacy.