Robuta

https://documenting.pitt.edu/islandora/object/pitt%3AAMOS.T02 Thyrsa Wealhtheow Amos | Documenting Pitt amos documenting pitt https://www.math.buffalo.edu/mad/PEEPS/svager_thyrsa_f.html Thyrsa Anne Frazier Svager - Mathematicians of the African Diaspora of the anne frazier mathematicians african