This is Kiki Kogelnik

Kiki Kogelnik (1935–1997) was an Austrian painter, sculptor and printmaker. Born in southern Austria, she studied at the Vienna Academy of Fine Arts and moved to New York City in 1961. Kogelnik is considered Austria’s most important pop-related artist, despite having been known to take issue later being considered portion of the pop art movement.^{[according to whom?]}