9/23/1839 — b. Helen A. Shafer, American mathematician, educator, administrator. President of Wellesley College (1888-94); chair of mathematics at Wellesley (1877). She vastly improved to Wellesley’s curriculum and implemented higher standards than Harvard #womenshistory #WomenInSTEM #OTD

9/22/1904 — b. Ellen Church Marshall, American pilot, nurse, hospital director. Captain and flight nurse in the #WWII Army Nurse Corps; and the first female commercial flight attendant in the world history, she pioneered the stewardess profession (1930s) #womenshistory #WomenInSTEM #HistNursing #OTD

Jelena de Belder-Kovačič (1925 – 2003) was a Slovenian-Belgian botanist and horticulturist who worked extensively on the taxonomy and preservation of plant specimens, gaining an international reputation for her development of the Kalmthout and Hemelrijk Arboreta. #WomenInSTEM

Vera Faddeeva: The Soviet Mathematician Who Built Algorithms Before Laptops voxmeditantis.com/2025/09/21/v... #WomenInSTEM #STEM #LinearAlgebra #Numerics #Algorithms

9/6/1857 — b. Zelia Nuttall, American archaeologist, anthropologist, historian. Preeminent archaeologist of her time,renowned ancient Mexico research+expeditions. Honorary Mex archaeology asst,Peabody Mus,Harvard (1886-33);advisory board, Anthro, UC Berkeley #womenshistory #WomenInSTEM #HistSci #OTD

9/5/1914 — b. Hannah Wormington, American archaeologist, author. Many excavations; significant contributor to the research of prehistoric cultures. Noted writings/fieldwork on Paleo-Indians of the Southwest. First woman president, Soc for Am Archaeology('67) #womenshistory #WomenInSTEM #HistSci #OTD

9/1960 — Frances Oldham Kelsey, Canadian-American physician, pharmacologist and #FDA official, rejects a tranquilizer licensing application for thalidomide. Pressured to reverse her decision, the drug later causes birth defects in countries where it was approved #womenshistory #WomenInStem #HistMed

OTD in In 1962, the dangerous long-range side-effects of DDT and other pesticides was the subject of a press-conference question to President John F. Kennedy. In his reply, he acknowledged Rachel Carson's book on the subject (Silent Spring)... #womeninstem en.wikipedia.org/wiki/Rachel_...

Currently, there are technologies that can directly read the brain, decipher thoughts and feelings, and implant feelings that are not one’s own In this era of surveillance capitalism, Be aware, not afraid. #neuroskyence #science #BrainGames #booksky #WomeninSTEM courier.unesco.org/en/articles/...

8/29/1866 — b. Minna Popken, German-Swiss physician, philanthropist, author. Introduced alternative healing by combining medical and spiritual care, and therapeutic, dietary, and mental treatments. The founder of Kurhaus Ländli, Switzerland (1911) #womenshistory #WomenInSTEM #HistMed #MedSky #OTD

Learn more about the accomplishments and challenges of the cryptanalyst ELIZEBETH FRIEDMAN (1892-1980). www.womenshistory.org/education-re...

From our exhibition on school nursing: this early 1900s pamphlet by the Liverpool Queen Victoria District Nursing Association, which explores the role of the school nurse in the late 1890s. You can read more about this item and the display from the curator's blog post here: bit.ly/4mKVaoe

A new long-term study suggests that the more heat waves people are exposed to, the more their body’s aging process accelerates

8/26/1892 — b. Elizebeth Friedman, American cryptographer, codebreaker, author. Pioneer in the field of cryptology; the first female cryptanalyst in the U.S. Deciphered enemy codes in both World Wars + helped to solve intl smuggling cases during Prohibition #womenshistory #WomenInSTEM #HistSci #OTD

Mamie Phipps Clark: The Psychologist Who Proved Segregation's Damage voxmeditantis.com/2025/08/25/m... #WomenInSTEM #STEM #Psychology #ChildPsychology #DevelopmentalPsychology

Eunice Foote conducted an experiment showing that atmospheric CO2 traps heat. OTD in 1856, she listened to a man (John Henry of the Smithsonian) present her results to the American Acad. for the Advancement of Science. Henry downplayed the significance of Foote’s finding. #HistSTM #WomeninSTEM 🧪🌎

8/21/1874 — b. Eleanor Davies-Colley, British surgeon and obstetrician. Early English female surgeon; the first woman fellow, Royal College of Surgeons (1911). Anatomy instructor, London Sch of Medicine; co-founder South London Hosp for Women and Children #womenshistory #WomenInSTEM #HistMed #OTD

8/21/1863 — b. Baroness Hélène van Zuylen, French author, motorcar racer and socialite. The first woman to compete in an international motorcar race (1898). She wrote poetry, short stories, novels and three plays (1902-14) #womenshistory #womenwriters #WomenInSTEM #OTD

8/20/1863 — b. Margaret Clay Ferguson, American plant physiologist and botanist. Researcher of North American pines; professor (1893-32), head of the botany dept (1902-30), Wellesley College. The first female president, Botanical Society of America (1929) #womenshistory #WomenInSTEM #HistSci #OTD

8/19/1858 — b. Ellen Willmott, English horticulturalist, botanist, author. Renowned British gardener; a prestigious and influential member of the Royal Horticultural Society. Noted for growing 100,000+ species and cultivars of plants, shrubs and trees #womenshistory #WomenInSTEM #HistSci #OTD

Klára Dán von Neumann wrote code 4 MANIAC computer used in nuclear fusion research@ Los Alamos Nat'l Laboratory. Developed upgrades to ENIAC, 1 of its primary programmers. 1940s taught pioneering meteorologists how to program computers b #OTD 18 Aug 1911 #WomenInSTEM en.wikipedia.org/wiki/Kl%C3%A...

8/17/1907 — b. Elinor Smith, American aviator. At 15, set a light plane altitude record of 11,889 ft. At 17, the first and likely only person to fly under four East River bridges, NYC (1928); grounded 10 days for the stunt. First woman on a Wheaties cereal box (1934) #womenshistory #WomenInSTEM #OTD

Kitty O'Brien Joyner | First woman engineer with NACA, and then with NASA upon its replacement of NACA in 1958. She was the first woman to graduate from UVA's engineering program in 1939. She died #OTD in 1993. #WomenInSTEM

8/15/1896 — b. Gerty Theresa Cori, Czech-American biochemist and physician. The third female and the first American woman to win the Nobel Prize in science; and the first woman to win the Nobel in Physiology or Medicine #womenshistory #WomenInSTEM #HistSci #Czech #OTD

8/14/1986 — Rear Admiral Grace Hopper, pioneer American computer scientist and inventor of the COBOL computer language, retires from active duty in the U.S. Navy. She was the oldest officer still on active duty at the time of her retirement #womenshistory #WomenInSTEM #HistSci #military #Navy #OTD

8/14/1814 — b. Charlotte Fowler Wells, American phrenologist, publisher, author, women’s rights advocate and lecturer. Taught the first phrenology class in the United States, a former science theory of the brain and character divination #womenshistory #WomenInSTEM #HistSci #OTD

8/13/1933 — b. Joycelyn Elders, American government official, public health administrator, physician, pediatrician. The first African-American U.S. Surgeon General; vice admiral of the Public Health Service Commissioned Corps #womenshistory #WomenInSTEM #HistMed #woc #OTD

Understanding and Facilitating Women's Thriving in STEM Doctoral Programs dl.begellhouse.com/journals/005... #WomenInSTEM #DoctoralEducation #STEMRetention

8/12/1919 — b. Margaret Burbidge, British-American astrophysicist. Quasar + nucleosynthesis researcher; director, Royal Greenwich Observatory. A major developer of instrumentation for the Hubble Space Telescope; first woman president, American Astronomy Soc #womenshistory #WomenInSTEM #HistSci #OTD

8/8/1863 — b. Florence Merriam Bailey, American ornithologist, nature writer. Co-founder of the Audubon Society, Wash D.C. The first woman member, American Ornithologists Union (1885); the first wmn honored w/the Brewster Medal (1931); published field guides #womenshistory #WomenInSTEM #HistSci #OTD

8/7/1947 — b. Lydia Villa-Komaroff, American molecular biologist. Internationally recognized; Advisory Committee member, Biology Directorate of the Natl Science Foundation. Published 60+ articles; 1 of 6 scientists profiled by #PBS “Discovering Women” series #womenshistory #WomenInSTEM #HistSci #OTD

8/7/1909 — Alice Ramsey and three women traveling in a green Maxwell 30 become the first women to complete a transcontinental automobile trip; Broadway, NYC to San Francisco, California. Ramsey, the only driver, was the first woman to drive across the U.S. #womenshistory #auto #WomenInSTEM #OTD

🚨Deadline for comments is TODAY—make your voice heard! EPA is attempting to argue that climate pollution from coal- and gas-fired power plants—responsible for about a quarter of all US heat-trapping emissions—isn’t worth regulating. Join us in pushing back on this deeply harmful proposal!

Geena Davis Institute's 2017 study, backed by 21st Century Fox, found 63% of women in STEM were inspired by The X-Files' Dana Scully, proving strong female media role models drive real-world career choices. #ScullyEffect #WomenInSTEM #GeenaDavis

A substantial number of female physicists in the first half of the 20th century contributed to quantum physics. For the history of physics to properly recognize their work, new approaches are needed, argues Andrea Reichenberger in Nature Reviews Physics. go.nature.com/41mjQuJ #WomeninSTEM ⚛️ 🧪

8/6/1848 — b. Susie King Taylor, American Civil War nurse, social activist, educator, memoirist. The “Black Clara Barton”; the only #woc to publish a memoir of her Civil War experiences. The first Af-Am to teach openly in a school for former slaves #womenshistory #WomenInSTEM #HistNursing #OTD

The all-female rescue mission to Mars: my opera about a toxic tech bro takeover of the red planet #Science #Culture #MarsMission #WomenInSTEM #OperaInnovation

7/30/1898 — b. Poldi Fuhrich, Austrian speleologist, mountaineer, zoologist, botanist. Early female cave researcher; also studied mineralogy, pedagogy & petrography. Member, Speleological Soc of Vienna; early to explore deep into Ersterkundungen cave systems #womenshistory #WomenInSTEM #HistSci #OTD

7/29/1851 — b. Jane Dieulafoy, French anthropologist, archaeologist, explorer, author, journalist, photographer. Wrote travel lit, historical studies, novels & short stories. The wife of archaeologist Marcel Dieulafoy; known for their excavations, Susa, Iran #womenshistory #WomenInSTEM #HistSci #OTD

🔍 Behind the Paper: 'Women in Quantum History'. It is a commonly held belief that women's contributions to the development of quantum physics have been negligible. However, a close examination of the extant sources reveals that this is not the case.🔗bit.ly/3GM7Co9 👩‍🔬 #WomeninSTEM

Ana Kansky (1895 - 1962) was a Slovene chemist and chemical engineer noted for being the first person to obtain a doctoral degree at the University of Ljubljana and one of the earliest known women scientists from Slovenia. 🧪 #WomenInSTEM

7/28/1884 — b. Aida de Acosta, American aviator, activist. The first woman to fly a powered aircraft solo, a powered dirigible (1903). Founder of a Sight Restoration Eye Bank to collect corneal tissue from the dead to restore eyesight to the living #womenshistory #WomenInSTEM #HistSci #OTD

7/28/1866 — b. Beatrix Potter, British natural scientist, mycologist, conservationist, author, and scientific illustrator. She published 22 illustrated animal story books, most notably ‘The Tale of Peter Rabbit’ (1901) #womenshistory #womenartists #womensart #WomenInSTEM #OTD

7/20/1900 — Eleanor Annie Lamson becomes the first female astronomer to be hired by the United States Naval Observatory in Washington, District of Columbia #womenshistory #WomenInSTEM #HistSci #SheIsTheFirst #Navy #military #OTD #TDIH

7/20/1848 — The Second Day of #SenecaFalls Convention | After the signing of “The Declaration of Rights & Sentiments”, it took 72 yrs of organized struggle before women won the right to vote. 19th Amendment to the U.S. Constitution passed in 1920 #womenshistory #womensrights #votingrights #OTD #TDIH

7/17/1917 — b. Margarete Mitscherlich-Nielsen, German psychoanalyst. Psychology researcher; focused on the female sexuality, feminism, and the national psychology of post-war Germany #womenshistory #WomenInSTEM #HistSci #HistMed #TDIH #OTD

#FemmesDeSciences #WomenInStem #sciences

7/16/1880 — Emily Stowe becomes the second licensed female physician in Canada. Jennie Kidd Trout was the first licensed female physician in Canada (1875) #womenshistory #WomenInSTEM #HistMed #HistSci #Canada #OTD

7/16/1828 — b. Abby Howland Woolsey, American nursing leader, welfare worker, Civil War volunteer, and abolitionist. Co-founder of the Woman’s Central Relief Association of New York, the forerunner of U.S. Sanitary Commission #womenshistory #WomenInSTEM #HistNursing #HistSci #OTD