Lee Krasner (October 27, 1908-June 19, 1984) was an American Abstract Expressionist painter. Along with her husband Jackson Pollock and artists Willem de Kooning, Franz Kline, and Arshille Gorky, she helped establish an entirely new painterly language.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Lee_Krasner

Milkweed by Lee Krasner
1955 / Collage of oil, paper, and canvas on canvas / 82-3/8″x57-3/4″ / Albright-Knox, Buffalo, New York

Lee Krasner on Artnet: http://www.artnet.com/artists/lee-krasner/

Further reading:
https://www.moma.org/artists/3240
https://sites.barbican.org.uk/introducingleekrasner/
https://www.stonybrook.edu/commcms/pkhouse/our-story/krasner.php
https://pkf.org/