Pioneer in mathematics, created the concept of an operating system or software

Founder of Christian Science, author of key scriptures of that faith, founder of The Christian Science Monitor

Abbess, mystic and visionary, composer of music and writer of books on many secular and religious topics

Mother of modern physics, two-time Nobel Prize winner

Primatologist and researcher, worked with chimpanzees in Africa

mathematician whose work is still used in the construction of skyscrapers

First woman to graduate from medical school (M.D.) and a pioneer in educating women in medicine

Civil rights leader, founder of National Association of Colored Women

Pharaoh of Egypt who took male powers for herself

Last pharaoh of Egypt, active in Roman politics

Catherine the Great of Russia

Patron of art and philosophy, abdicated on conversion to Roman Catholicism

Expanded Russia's borders and promoted westernization and modernization

President of Philippines, reform political candidate

Prime Minister of India, also the daughter, mother, and mother-in-law of other Indian politicians

First Southern African American woman elected to Congress

Anti-lynching crusader, reporter, an early activist for racial justice

Founder of Hull-House and of the social work profession

wrote what's considered the world's first novel, The Tale of Genji

Along with her sister Emily, author of key early 19th century novels by women

First woman to win Nobel Prize for Literature

Wrote popular novels of the Romantic period

Her poetic style left a significant legacy on 20th Century poetry

A primary organizer for the last winning years of women's suffrage

Theorist and writer whose Ms. Magazine helped shape the "second wave"

The first woman magistrate in the British Empire

British Chemist who made significant contributions to understanding the structure of DNA and RNA

American social activist and leading feminist figure of the 1960s.

15 important women in history everyone should know about

15 important women in history everyone should know about. But only 1 in 65 people answer all the questions correctly. We show you the names of important women in history. Can you guess what their contribution was?