Helen Frankenthaler watches Ken Tyler pulling an impression of her ‘Spring run XV’ monotype from an inked woodblock, 1996 (Courtesy of Tyler Graphics Ltd., Photographer: Marabeth Cohen-Tyler) » Helen Frankenthaler watches Ken Tyler pulling an impression of her ‘Spring run XV’ monotype from an inked woodblock, 1996 (Courtesy of Tyler Graphics Ltd., Photographer: Marabeth Cohen-Tyler)

Helen Frankenthaler watches Ken Tyler pulling an impression of her 'Spring run XV' monotype from an inked woodblock, 1996 (Courtesy of Tyler Graphics Ltd., Photographer: Marabeth Cohen-Tyler)