Carl Philipp Emanuel Bach (March 8, 1714 - December 14, 1788) was a German musician and composer, the second of five sons of Johann Sebastian Bach and Maria Barbara Bach. He was one of the founders of the Classical style, composing in the Rococo and Classical periods. Wikipedia
The definitive Wikipedia entry for Carl Philipp Emanuel Bach. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Carl_Philipp_Emanuel_Bach
Imitative harmonization of the family name, B-A-C-H, autograph entry by C.P.E. Bach in an album of Carl Friedrich Cramer (June 9, 1774). www.cpebach.org/
We've known about Carl Phillip Emanuel Bach's keyboard works and his symphonic works for orchestra, but there had always been this tantalizing gap in our knowledge of his works. www.wgbh.org/pages/bostonarts/2001/bach_manuscripts.html