Antoine Reicha (1770–1836) was a Czech-born composer and music theorist who significantly contributed to the development of early Romantic music. Primarily known for his work in the genre of chamber music, Reicha was an influential figure in the transition from Classical to Romantic styles. He composed a variety of works, including symphonies, operas, and over 24 wind quintets, which remain notable for their innovative use of instrumentation and form. Reicha's most significant contributions include his "Thirty-Six Fugues" and his "Treatise on Melody," which reflect his deep understanding of counterpoint and harmony. He was a mentor to several prominent composers, including Franz Liszt and Hector Berlioz, and his pedagogical methods influenced the teaching of music composition in the 19th century. Reicha's impact on music lies in his pioneering approach to ensemble writing and his exploration of new harmonic ideas, which paved the way for future developments in Romantic music. His works, while not as widely performed today as those of his contemporaries, are still studied for their innovative qualities and their role in the evolution of chamber music.