Hypatia
Hypatia (born 350–370; died 415 AD) was a Hellenistic Neoplatonist philosopher, astronomer, and mathematician, who lived in Alexandria, Egypt, then part of the Eastern Roman Empire. She was a prominent thinker of the Neoplatonic school in Alexandria, where she taught philosophy and astronomy. She is the first female mathematician whose life is reasonably well recorded. Hypatia was renowned in her own lifetime as a great teacher and a wise counselor. She is known to have written a commentary on Diophantus's thirteen-volume "Arithmetica", which may survive in part, having been interpolated into Diophantus's original text, and another commentary on Apollonius of Perga's treatise on conic sections, which has not survived. Many modern scholars also believe that Hypatia may have edited the surviving text of Ptolemy's "Almagest", based on the title of her father Theon's commentary on Book III of the "Almagest".
Thyrsa Frazier Svager
Thyrsa Anne Frazier Svager (June 16, 1930 – July 23, 1999) was an American academic who was one of the first African-American women to gain a PhD in mathematics. Born in Ohio, she graduated from high school at the age of 16, going to Antioch College in Ohio and then doing her postgraduate degrees at Ohio State University. Frazier Svager was the head of the Department of Mathematics at Central State University (CSU) in Ohio for decades, ending her academic career as provost and dean for academic affairs. She and her husband, physics professor Aleksandar Svager, invested one of their salaries during their careers to build a legacy for scholarships. After her death, the Thyrsa Frazier Svager Fund was established to provide scholarships for African-American women majoring in mathematics.