Joseph Haydn (also known as Franz Joseph Haydn) was an Austrian composer. He was born on March 31 or April 1, 1732, and died on May 31, 1809. He was one of the most famous composers in the Classical music period. He is often called the "Father of the Symphony". He wrote many brilliant operas. He inspired many great composers after him. Some of Haydn's most famous works were 'the seasons' and 'the creation'. The house that he lived in, in Vienna, where he wrote these works, has been turned into a museum called 'haydnhaus'. He gave lessons to Beethoven when Beethoven moved to Vienna. Beethoven wanted first to take lessons from Mozart, but in that time Mozart died.