Which composer is best known for the Classical period?

Mozart is recognized as one of the foremost composers of the Classical period, which spanned roughly from the mid-18th century to the early 19th century. His contributions to this musical era are substantial and influential, showcasing characteristics such as clarity of form, balance, and elegance that define Classical music.

Mozart's works epitomize the ideals of the Classical style, evident in his symphonies, operas, chamber music, and piano concertos. His ability to blend lyrical melodies with structural precision made him a model for subsequent composers. The clarity of his musical language and the emotional depth he brought to his compositions set a high standard that continues to resonate in music education and performance today.

In contrast, the other composers listed represent different musical periods or styles. Schubert is associated with the early Romantic period, Dvorak is known for his contributions to the Romantic period and beyond, and Mendelssohn, while often associated with the Romantic era, has some influences that tie back to Classicism, but he does not epitomize the Classical style to the extent of Mozart.