Business leader and arts patron Sir Edwin A. G. Manton (1909-2005) and his wife Florence, Lady Manton, assembled an outstanding collection of 18th- and 19th-century British art. A gift to the Clark Art Institute from the Manton Foundation in 2007, their collection features more than three hundred oil paintings, watercolors, drawings, and prints, including works by John Constable, J. M. W. Turner, Thomas Gainsborough, and William Blake. In...