20th-century women mathematicians

Ragni_Piene

Ragni Piene (born 18 January 1947, Oslo) is a Norwegian mathematician, specializing in algebraic geometry, with particular interest in enumerative results and intersection theory.

Vivienne_Malone-Mayes

Vivienne Lucille Malone-Mayes (née Malone; February 10, 1932 – June 9, 1995) was an American mathematician and professor. Malone-Mayes studied properties of functions, as well as methods of teaching mathematics. She was the fifth African-American woman to gain a PhD in mathematics in the United States, and the first African-American member of the faculty of Baylor University.

Jeanne_LaDuke

Alice Jeanne LaDuke (born June 27, 1938) is an American mathematician who specialized in mathematical analysis and the history of mathematics. She was also a child actress who appeared in one film (The Green Promise).

Lida_Barrett

Lida Baker Kittrell Barrett (May 21, 1927 – January 28, 2021) was an American mathematics professor and administrator. She served on many committees and boards and contributed to mathematics, mathematics education, and increasing the participation of members of underrepresented groups in mathematics. She served as president of the Mathematical Association of America (MAA) in 1989 and 1990.