And why we still don’t learn enough about them
Many women’s names in history have been reduced to a handful of “required” icons. But that’s more the filter of textbooks than real history. The portraits below spotlight women whose work reshaped science, medicine, espionage, and business—often while facing prejudice as well as formal bans.
Virginia Hall: the spy who outwitted the Gestapo
From diplomatic doors slammed in her face to the highest decoration
The daughter of a Baltimore businessman wanted to become a diplomat, but after an accident she lost part of her leg and wore a prosthesis she called “Cuthbert.” When the Nazis occupied France, she joined the resistance network—first with Britain’s SOE and later with America’s OSS. She built safe houses, a courier network, organized prisoner escapes, and transmitted messages even as the Gestapo actively hunted her. For extraordinary bravery, she received the Distinguished Service Cross—the only civilian woman to do so in World War II. (cia.gov)
Why she matters
She turned a seemingly invisible “support” role into a crucial bridge between the resistance and the Allies. After the war, she worked at the CIA until 1966 and became one of the first women to hold a senior operations position. (cia.gov)
Watch the video
“Sonia Purnell on Virginia Hall (Talks at Google)” – https://www.youtube.com/watch?v=CT0l8y0ODGo
Marie Tharp: the woman who drew the ocean floor
Maps that turned geology upside down
During the 1950s, Tharp used sonar data to draw a “profile” of the Atlantic seafloor—and later of the entire world. She revealed continuous mid-ocean ridges and rift valleys—critical evidence in the birth of plate tectonics. At a time when women weren’t allowed on research ships, she changed the world from a drafting table. (marietharp.ldeo.columbia.edu, The Library of Congress)
An impact we still feel today
Her work overturned the idea of a “smooth” ocean bottom and provided a visual language for today’s understanding of seafloor spreading and the lithosphere cycle. Major institutions (NOAA, the Library of Congress, the Smithsonian) now exhibit and interpret her work as a key paradigm shift. (noaa.gov, The Library of Congress, ocean.si.edu)
Watch the video
“The Scientist Who Mapped the Ocean Floor (Great Big Story)” – https://www.youtube.com/watch?v=p9GFXQdpSEo
Inge Lehmann: mathematical proof of Earth’s solid core
The seismologist who “saw” into the center of the Earth
The Danish scientist analyzed waves from major earthquakes and in 1936 proposed that the Earth has a solid inner core and a liquid outer core—explaining why P-waves arrive even in the “shadow zone.” Today, the discovery is known as the “Lehmann discontinuity.” (earthquake.usgs.gov, American Museum of Natural History)
Why it was revolutionary
Lehmann showed that even without direct observation, it’s possible to infer a planet’s structure from noisy signals. Her conclusions laid the groundwork for modern seismic tomography. (American Museum of Natural History)
Watch the video
“Inge Lehmann’s hypothesis (ANU/Prof. Hrvoje Tkalčić)” – https://www.youtube.com/watch?v=jcQbjqUbZS8
Virginia Apgar: five letters that save newborns every day
From anesthesiology to a global standard
In 1952, Apgar introduced a simple scoring system for assessing a newborn (appearance, pulse, grimace, activity, respiration) at 1 and 5 minutes of life. The test standardized maternity-ward procedures and helped reduce newborn mortality. She later led March of Dimes programs focused on preventing birth defects and promoting rubella vaccination. (marchofdimes.org, cuimc.columbia.edu)
A legacy that endures
Apgar became the first female professor at Columbia University College of Physicians and Surgeons—and a symbol of how medicine can be both rigorously scientific and practically effective at the same time. (vagelos.columbia.edu, Anesthesiology)
Watch the video
“From the Archives: Dr. Virginia Apgar” – https://www.youtube.com/watch?v=umJcqEpN1K8
Madam C. J. Walker: the entrepreneur who turned hair care into an industry
From laundress to a brand with hundreds of sales agents
Born Sarah Breedlove, Walker built a network of trained saleswomen and a manufacturing operation for products designed to care for African American hair (the Walker System). She expanded the brand nationwide and became a symbol of Black women’s financial independence. In Indianapolis, the historic Walker Theatre/Legacy Center still stands today. (nmaahc.si.edu, Madam Walker Legacy Center)
A legacy beyond business
Walker invested in the community, education, and anti-lynching efforts; her story is now preserved by museums and Smithsonian collections, including authentic artifacts (e.g., tins of “Wonderful Hair Grower”). (3d.si.edu)
Watch the video
“My Black American Hero – Madam C.J. Walker (Smithsonian Channel)” – https://www.youtube.com/watch?v=MzAGbBiyDaQ
Chien-Shiung Wu: the experiment that overturned one of physics’ “sacred” rules
How the “First Lady of Physics,” from a Columbia basement lab, knocked parity off its pedestal
Chien-Shiung Wu was a top-tier experimentalist who contributed to the Manhattan Project during World War II and later led pioneering measurements in nuclear and particle physics at Columbia University. In the winter of 1956/57, she carried out the famous “Wu experiment” with the cobalt-60 isotope: at extremely low temperatures and in a strong magnetic field, she aligned nuclear spins so that the direction of electron emission in beta decay could be observed. The result showed that the weak interaction does not conserve parity—the seemingly self-evident symmetric “mirror law” no longer held. The theorists Tsung-Dao Lee and Chen-Ning Yang received the Nobel Prize (1957) for this groundbreaking prediction; Wu’s contribution was widely recognized as the decisive experimental proof.
Wu was not only a brilliant scientist but also an outspoken advocate for women in science. Her career is commemorated to this day by the “Chien-Shiung Wu” postage stamp issued on the International Day of Women and Girls in Science (2021), along with several U.S. Department of Energy programs that popularize her work. Even though the Nobel Prize never made it into her hands, expert sources describe her as a pivotal figure in the emergence of the modern understanding of the weak interaction and the Standard Model.
Watch the video
“Madame Wu & Parity Violation: The Most Important Experiment Ever!” – https://www.youtube.com/watch?v=lHi5tZkwpAM
Bessie Coleman: the pilot who earned her license in Europe when America wouldn’t have her
From a manicurist in Chicago to the first African American and Native American woman to hold a pilot’s license
When Bessie Coleman learned in the 1920s that U.S. flight schools rejected women and Black applicants, she studied French and left for Paris. On June 15, 1921, she earned an international FAI license—as the first African American woman and the first Native American woman to hold a pilot’s license. After returning to the U.S., she performed daring aerobatic flights and used the publicity to raise funds for her dream flight school for “pilots of color.” Her life ended tragically in 1926 in a plane crash during a demonstration flight, but she remains one of aviation history’s most powerful role models.
Coleman became an icon in the community—from school programs to commemorative flyovers on anniversaries. The Federal Aviation Administration (FAA) and the Smithsonian regularly highlight her firsts and her legacy for new generations of women pilots. Her story is also an important testament to how talent and perseverance can break through systemic barriers.
Watch the video
“The First Female African American Pilot” (Smithsonian) – https://www.youtube.com/watch?v=wckEiKzCBqc
Why these names disappear from curricula
And what we can do about it
Women’s stories often appear at the margins—in footnotes or on museum blogs. Yet these are solid, well-documented facts backed by archives and authoritative institutions (CIA, NOAA, USGS, university archives). A curriculum can be rebalanced if we intentionally draw on primary sources and the collections of public institutions—and if we insist that alongside the “great men,” equally significant women appear as well. (cia.gov, The Library of Congress, American Museum of Natural History)
Sources (selected)
- CIA – Virginia Hall: The Courage and Daring of “The Limping Lady” – https://www.cia.gov/stories/story/virginia-hall-the-courage-and-daring-of-the-limping-lady/
- Talks at Google – Sonia Purnell on Virginia Hall (video) – https://www.youtube.com/watch?v=CT0l8y0ODGo
- Lamont-Doherty Earth Observatory (Columbia) – About Marie Tharp – https://marietharp.ldeo.columbia.edu/about-marie-tharp
- Library of Congress – Discovering the Secrets of the Seafloor – https://www.loc.gov/exhibitions/treasures-from-the-library-of-congress/about-this-exhibition/compendium-of-knowledge/discovering-the-secrets-of-the-seafloor/
- NOAA – Hidden Figures in the history of mapping (about Marie Tharp) – https://sanctuaries.noaa.gov/50/hidden-figures.html
- Great Big Story – The Scientist Who Mapped the Ocean Floor (video) – https://www.youtube.com/watch?v=p9GFXQdpSEo
- AMNH – Inge Lehmann: Discoverer of the Earth’s Inner Core – https://www.amnh.org/learn-teach/curriculum-collections/earth-inside-and-out/inge-lehmann-discoverer-of-the-earth-s-inner-core
- USGS – Earthquake Science Timeline (1936: Lehmann discovers the inner core) – https://earthquake.usgs.gov/education/eqscience-timeline.php
- ANU – Inge Lehmann’s hypothesis (video) – https://www.youtube.com/watch?v=jcQbjqUbZS8
- March of Dimes – Virginia Apgar, M.D. – https://www.marchofdimes.org/about-us/mission/history/virginia-apgar-md
- Columbia University – Virginia Apgar – https://www.vagelos.columbia.edu/departments-centers/faculty-initiatives/virginia-apgar-academy/virginia-apgar
- NLM/NIH – Rise, Serve, Lead!: Celebrating Virginia Apgar – https://circulatingnow.nlm.nih.gov/2019/03/21/rise-serve-lead-celebrating-virginia-apgar/
- YouTube – From the Archives: “Dr. Virginia Apgar” (video) – https://www.youtube.com/watch?v=umJcqEpN1K8
- Smithsonian NMAAHC – Tin for Madam C. J. Walker’s Wonderful Hair Grower (3D artifact) – https://3d.si.edu/explorer/tin-for-madame-c-j-walker-s-wonderful-hair-grower
- Smithsonian Magazine – Madam C. J. Walker Gets a Netflix Close-Up – https://www.smithsonianmag.com/history/madam-cj-walker-netflix-close-up-180974152/
- Madam Walker Legacy Center – Our History – https://madamwalkerlegacycenter.com/our-history/
- Smithsonian Channel – Madam C. J. Walker (video) – https://www.youtube.com/watch?v=MzAGbBiyDaQ
- U.S. Department of Energy – Chien-Shiung Wu – https://www.energy.gov/articles/chien-shiung-wu
- U.S. DOE – 5 Women Who Changed History in Nuclear Science – https://www.energy.gov/ne/articles/5-women-who-changed-history-nuclear-science
- Smithsonian Air & Space – Bessie Coleman – https://airandspace.si.edu/explore/stories/bessie-coleman
- FAA – Timeline (June 15, 1921: Bessie Coleman receives an FAI license) – https://www.faa.gov/about/history/timeline
- U.S. Department of Energy – Chien-Shiung Wu – https://www.energy.gov/articles/chien-shiung-wu
- NIST – The Fall of Parity – https://www.nist.gov/pml/fall-parity
- Brookhaven National Laboratory – Remembering T. D. Lee – https://www.bnl.gov/newsroom/news.php?a=222034
- U.S. Department of Energy – ‘Forever’ postage stamp honors ‘Madame Wu’ – https://www.energy.gov/articles/forever-postage-stamp-honors-madame-wu
- FAA – Timeline of FAA and Aerospace History (1921: Bessie Coleman) – https://www.faa.gov/about/history/timeline
- Smithsonian National Air and Space Museum – Bessie Coleman (editorial) – https://airandspace.si.edu/explore/stories/bessie-coleman
- FAA – Women Aviation Trailblazers (PDF) – https://www.faa.gov/sites/faa.gov/files/about/history/pioneers/women_in_aviation_2019.pdf
- Smithsonian – Video: The First Female African American Pilot – https://www.si.edu/object/first-female-african-american-pilot%3Ayt_wckEiKzCBqc
Robert
I’m interested in technology and history, especially true crime stories. For three years I ran a fact-based portal about modern history, and for a year I co-built a blogging platform where I published dozens of analytical articles. I founded offpitch so that quality content wouldn’t be hidden behind a paywall.
