What was to go on the canvas was not a picture but an event?

“What was to go on the canvas,” he wrote, “was not a picture but an event.” Rosenberg also saw the act of painting as inseparable from the artist’s biography. As such, the painting breaks down the boundaries between art and life, making everything, including events in the artist’s life, relevant to the work.

Who started action painting?

Jackson Pollock

The term ‘action painting’ was coined by Harold Rosenberg in his groundbreaking article The American Action Painters published in ARTnews in December 1952. Rosenberg was referring to artists such as Arshile Gorky, Franz Kline, Willem de Kooning, and Jackson Pollock.