Franz Joseph Haydn, an Austrian composer of the Classical period, was a titan of music who shaped the classical style in the 18th century. Known as the "Father of the Symphony" and the "Father of the String Quartet," Haydn's influence on chamber music is immeasurable. His works, including the iconic "Farewell" Symphony, are celebrated for their innovation and emotional depth. With a prolific output of symphonies, concertos, and divine masses, Haydn's music continues to captivate audiences worldwide. His collaborations with Mozart and his mentorship of Beethoven further cement his legacy as a cornerstone of classical music.