Edmonia Lewis (c.July 4, 1844-September 17, 1907) was a sculptor of African American and Native American heritage who was among the first black sculptors known to achieve international fame.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Edmonia_Lewis

Henry Wadsworth Longfellow by Edmonia Lewis
1872 / Marble / Height: 27″ / Walker Art Gallery, National Museums Liverpool, UK
Edmonia Lewis on Artnet: http://www.artnet.com/artists/edmonia-lewis/
Further reading:
https://www.nytimes.com/2018/07/25/obituaries/overlooked-edmonia-lewis-sculptor.html
https://hyperallergic.com/434881/edmonia-lewis-grave/
http://iraaa.museum.hamptonu.edu/page/Rare-Edmonia-Lewis-Photo-Discovered
https://artsandculture.google.com/exhibit/edmonia-lewis-smithsonian-american-art-museum/gQJi3NKm3VagLg?hl=en