Carl Philipp Emanuel Bach, commonly abbreviated C. P. E. Bach, was a German composer and musician of the Baroque and Classical eras. He was the fifth child and second surviving son of Johann Sebastian Bach and Maria Barbara Bach. March 8, 1714 – December 14, 1788; died at 74. Alive at the same time as Isaac Newton, Napoleon, Johann Wolfgang von Goethe, Immanuel Kant, and George Washington. Wiki link