Martha Euphemia Haynes
Martha Euphemia Lofton Haynes (September 11, 1890 – July 25, 1980) was an American mathematician and educator. She was the first African American woman to earn a PhD in mathematics
Martha Euphemia Lofton Haynes (September 11, 1890 – July 25, 1980) was an American mathematician and educator. She was the first African American woman to earn a PhD in mathematics