For 10 points, name this composer of the Moonlight Sonata and FÃ¼r Elise.
This composer's violin sonatas include ones nicknamed "Spring" and "Kreutzer." One of this composer's piano sonatas begins with repeated G sharp-C sharp-E triplets. That piece gained its nickname when a critic compared the first movement to observing the title phenomenon on Lake Lucerne. Another of this composer's piano pieces begins with alternating E and D sharp sixteenth notes in three-eight time, and was named after a still-unidentified woman. For 10 points, name this composer of the Moonlight Sonata and FÃ¼r Elise.
This composer's violin sonatas include ones nicknamed "Spring" and "Kreutzer.
Ludwig van Beethoven