Barbara Chase-Riboud (born June 26, 1939) is an American visual artist and sculptor, bestselling novelist, and award-winning poet.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Barbara_Chase-Riboud

Akhmatova’s Monument by Barbara Chase-Riboud
1995 / Color offset lithograph, edition of 100; design for unrealized sculpture / 30″ x 22″ / Brandywine Workshop and Archives

Barbara Chase-Riboud on Artnet: http://www.artnet.com/artists/barbara-chase-riboud/

Further reading:
https://www.blackpast.org/african-american-history/chase-riboud-barbara-1939/
https://awarewomenartists.com/en/artiste_prixaware/barbara-chase-riboud/
https://hyperallergic.com/430657/barbara-chase-riboud-malcom-x-sculptures-book/