Johann Nikolaus Forkel was a German musicologist and music theorist, generally regarded as among the founders of modern musicology. His publications include Johann Sebastian Bach: His Life, Art, and Work, the first substantial survey on the life and works of Johann Sebastian Bach.
Forkel in a 1813 engraving by Carl Traugott Riedel
Wilhelm Friedemann Bach was a German composer, organist and harpsichordist. He was the second child and eldest son of Johann Sebastian Bach and Maria Barbara Bach. Despite his acknowledged genius as an improviser and composer, his income and employment were unstable, and he died in poverty.
Manuscript copy of Der Trost gehöret (BR-WFB F26)
Wilhelm Friedemann Bach House (now a museum), where Friedemann lived in Halle