Mykola Mykolayovych Arkas (born 7 January 1853, Mykolaiv – 26 September 1909, Mykolaiv) was a Ukrainian composer, writer, historian, and cultural activist. Arkas was the author of a popular book History of Ukraine (1908) and his most notable composition was the opera "Kateryna". Biography Mykola Arkas was born on , in Mykolaiv. His grandfather Andreas Arkas (1766–1825), son of an Orthodox priest from Patras, was invited to teach classical languages and history in Nikolayev Naval School, Russia. He spoke 12 languages and had published corresponding dictionaries. He moved with his family to Russia with the help of the Ecumenical Patriarchate of Constantinople. Mykola Arkas was a son of the Russian Admiral, Chief Commander of the Black Sea Fleet and Ports, a founder of steam navigation and trade on the Black Sea and a founder of Caspian Sea Fleet, Nikolay Andreyevich Arkas (1816–1881) and the Ukrainian Sophia Bogdanovich. Mykola received his all-round education in the Law School of St. Petersburg and completed his studies in physics and mathematics at the University of Odessa. After completing his studies (1875–1881), in accordance with the family tradition, he joined the Imperial Russian Navy. Upon completion of naval service in 1881 Arkas obtained a magistracy in Kherson. In his leisure time, he collected and recorded folk songs, also studying the history of Ukraine. His teacher, Petro Nishchynsky, who was a Ukrainian composer, conductor, and writer, had an influence upon Mykola; the latter tried to master musical knowledge independently, to develop his composer's skills and writing music. Mykola Arkas died on , in Mykolaiv, where he was buried in the family chapel in the town cemetery. Compositions and other cultural activities Arkas's artistic contributions include about 80 compositions for solo-singing, vocal ensembles and arrangements of folk songs. His opera "Kateryna" (1890) is the most significant work of Mykola Arkas, adapted as from Taras Shevchenko's poem of the same title. This work brought recognition to Mykola Arkas and became the first Ukrainian lyrical folk opera. Performances of "Kateryna" were a great success, first playing in Moscow by Mark Kropivnitskiy's troupe in 1899, and later in Minsk, Vilnius and Kiev. Arkas was the founder and chairman of the "Prosvita" cultural and educational society in Mykolaiv. At his own expense he opened a public school that taught in Ukrainian, as the dominant teaching language in schools was Russian. In 1908 in St. Petersburg, a book by Mykola Arkas —