"Professor Abel", painted ca. 1777 by Thomas Gainsborough (oil on canvas), is an homage to his friend. Shown are some of the elements that first got my attention. The painting is in The Huntington Art Gallery collection, Karl Friedrich Abel (December 22, 1723 -- June 20, 1787) was a German composer of the Classical era, spanning the life-time of Jean B, Russeau. He was a fine player on the viola da gamba, and composed important music for that instrument. Abel was born in Cöthen, the son of ...