Heino Eller was an influential Estonian composer and music educator, born on December 7, 1887, in Tartu, Estonia. He is known for his contributions to the development of Estonian classical music and played a significant role in shaping the country's musical identity during the 20th century. Eller studied at the Saint Petersburg Conservatory and later became a prominent figure in the Estonian music scene. Eller's compositions often blended traditional Estonian folk elements with modern classical techniques. He founded the Estonian Academy of Music and Theatre and taught many notable students, including Arvo Pärt and Eino Tamberg. His legacy continues to influence contemporary Estonian composers and musicians.