The composer Pyotr Ilyich died at the age of 53. Here is all you want to know, and more!
Biography - A Short Wiki
Famous for composing “The Nutcracker” ballet, as well as numerous symphonies, concertos, operas, ballets, and chamber-music pieces, he’s remembered as one of classical music’s most popular composers.
He married former student Antonina Ivanovna Milyukova on July 6, 1877, but had the marriage annulled in September 1877 after discovering that they were psychologically and sexually incompatible.