Final answer:
Barnett Newman's Cathedra was attacked by someone who didn't like abstract art.
Step-by-step explanation:
Barnett Newman's Cathedra was attacked by someone who didn't like abstract art. Newman was an abstract expressionist painter known for his large color field paintings. In 1986, his painting titled 'Cathedra' was vandalized with red spray paint by a man who claimed to be protesting against contemporary art. The attack sparked debates about the value and interpretation of abstract art.
Learn more about Abstract art