Mozart was born in 1756 in Salzburg and composed many symphonies and sonatas including Symphony No. 40 in G Major and the Sonata in F Major. Beethoven was born in 1770 in Bonn and is one of the most famous composers, known for compositions like his 5th and 9th Symphonies, Fur Elise, Moonlight Sonata, and Choral Fantasy. The document provides biographical details and lists of compositions for both Mozart and Beethoven.