Women Scientists You Didn't Learn About In School

In celebration of International Women's Day

Margaret Hamilton
Margaret Hamilton
Mathematician Margaret Hamilton pioneered the development of NASA's Apollo 11 onboard flight software. She developed the building blocks for software engineering as well as the term itself, according to NASA.NASA

It's well documented that women remain underrepresented in science, technology, engineering, and math (STEM). Historically, they've dealt with a variety of hurdles to entering and staying in these fields, ranging from fighting for access to higher education and labs, to being forced to sit behind screens in class "so as not to disrupt male students." In celebration of International Women's Day, here are just a few of the women who made remarkable contributions to the STEM fields despite these barriers.

Nettie Stevens
Nettie Stevens
Geneticist Nettie Stevens discovered sex chromosomes in 1905, leading to the understanding that an organism's genetics determine its sex.The Incubator (courtesy of Carnegie Institution of Washington) via Wikimedia Commons
Lise Meitner
Lise Meitner
Austrian physicist Lise Meitner co-discovered nuclear fission but was overlooked by the Nobel committee awarding the prize for the work.Wikimedia Commons
Alice Augusta Ball
Alice August Ball
Alice August Ball was a chemist who created an injectable treatment for Leprosy that doctors used for years to relieve symptoms.Wikimedia Commons
Ada Lovelace
Ada Lovelace
Ada King, also known as Ada Lovelace, was a mathematician who created one of the first machine algorithms ever, written for a hypothetical computer. She is often referred to as the world's first computer programmer.Science & Society Picture Library
Katherine Johnson
Katherine Johnson
Before the invention of electronic computers, mathematician Katherine Johnson worked as a "computer" for NASA's predecessor, the National Advisory Committee for Aeronautics (NACA), making calculations critical to the first American astronaut's trip to space and the Apollo Moon landing program.NASA
Jocelyn Bell Burnell
Jocelyn Bell Burnell
Jocelyn Bell Burnell discovered pulsars, neutron stars that emit beams of radiation, when she was serving as a research assistant at the University of Cambridge.Roger W Haworth/Flickr
Chien-Shiung Wu
Chien-Shiung Wu
Physicist Chien-Shiung Wu carried out an experiment disproving parity law, shattering a fundamental concept of nuclear physics.Smithsonian Institution