For 10 points, name this Abstract Expressionist pioneer of "action painting," sometimes known as "Jack the Dripper."
Theories attempting to identify the works of this man by the occurrence of fractal patterns within them have been debunked. He stopped giving proper titles to his paintings, instead identifying them in such ways as No. 3, 1949, sometimes known as Tiger, and Number 1, 1950, sometimes known as Lavender  Mist. For 10 points, name this Abstract Expressionist pioneer of "action painting," sometimes known as "Jack the Dripper."
Theories attempting to identify the works of this man by the occurrence of fractal patterns within them have been debunked.
({Paul}) {Jackson Pollock}