An enlightening study of Barnett Newman's last works, based on a decade of exhaustive research The work of Barnett Newman (1905-1970) has come to define the spiritual aspirations and material innovations of American painting in the mid-20th century. Best known for his zip paintings--in which thin vertical lines rise through large, bold planes of color--Newman's work was an abrupt departure from his contemporaries' gestural abstraction, yet anticipated...