#WHM26
Rita Morais de Sarmento 1st #WomanEngineer in #Portugal 1 of 1st woman in #Europe to earn #engineering degree, graduating in Civil Engineering and Public Works in 1894. Earned chartered status as civil #engineer in 1896. d. #OTD 28th Mar 1931 en.wikipedia.org/wiki/Rita_de...
March 28, 2026 at 10:05 AM
Eszter Pécsi 1st #Hungarian woman #engineer designed iconic buildings in #Hungary #Austria & #US. 1965 awarded “Best Structural Engineer of Year” for her foundation method for building highrise buildings on banks of Hudson River #NewYork b. #OTD 8 Mar 1898 en.wikipedia.org/wiki/Eszter_...
March 8, 2026 at 10:39 PM
Elsie Eaves engineer, 37 yrs journalist @enrnews.bsky.social Made 1st US inventory of municipal & industrial sewage disposal facilities, wrote on revitalizing construction industry in Great Depression & post #WWII planning. 1925 Womens Eng Soc memb b. #OTD 5 May 1898 en.wikipedia.org/wiki/Elsie_E...
March 27, 2026 at 9:38 PM
Colette Kreder #French engineer, entrepreneur, feminist. 1957 grad École Polytechnique Féminine as engineer, later returned to run it. Creator of Demain la Parité network & Femmes et sciences org. 1 of 72 women proposed to be named on #EiffelTower b. #OTD 31 Mar 1934 en.wikipedia.org/wiki/Colette...
March 31, 2026 at 7:18 AM
Emma Kirchner German photographer who lived & worked in Netherlands. 1st & for over 30 years, only professional woman photographer working in Delft area. "Talented portraitist whose photographs are striking for their artful compositions". b. #OTD 30 Mar 1830 en.wikipedia.org/wiki/Emma_Ki...
March 31, 2026 at 12:32 AM
Marie Schneiderová-Zubaníková #Czech civil engineer & #architect. 1923 1st woman civil engineer graduate in Czechoslovakia, from Czech Technical University. 1920s structural engineer @ Sears #Chicago. 1930s led housing hygiene programme in Cz. b. #OTD 14 Mar 1900 bit.ly/3BY44qT
March 14, 2026 at 10:36 PM
Frances V. Spence (née Bilas) 1 of original women 'Computers' or programmers for #ENIAC the 1st electronic digital computer. Its computational development was led by team of 6 women. She is considered 1 of 1st computer programmers in world. b. #OTD 2 Mar 1922 #WHM26 bit.ly/37PgCnS #WomenInSTEM
March 2, 2026 at 11:42 PM
Elżbieta Zawacka code name Agent Zo #Polish #WWII #SOE agent freedom fighter, university professor, scouting instructor. Graduated in maths @ Poznan Uni 1930s. 2nd & last woman in history of Polish Army to hold rank of Brigadier General. b. #OTD 19 Mar 1909 en.wikipedia.org/wiki/El%C5%B...
March 19, 2026 at 8:00 PM
Maria Pastori #Italian mathematician & teacher. From poor family, 1915 won scholarship to University of Pisa. Became Professor of Rational Mechanics at Univ of Milan, worked on differential calculus & application of mathematics to electromagnets b. #OTD 10 Mar 1895. en.wikipedia.org/wiki/Maria_P...
March 10, 2026 at 8:26 AM
Yvette Cauchois 1908–99 French X-ray spectroscopy pioneer. 1928 physics degree @ Sorbonne. Invented Cauchois curved crystal spectrometer used in X & gamma ray analysis. Made 1st X-ray image of sun. 2nd woman president French Soc of Physical Chemistry, 1st=Marie Curie en.wikipedia.org/wiki/Yvette_...
March 12, 2026 at 7:13 PM
Nina Cameron Walley (née Graham) 1st woman to receive engineering degree in Britain, from @liverpooluni.bsky.social on 6 Jul 1912. Her final #CivilEngineering exam included "gruelling 6-hour exam" where she had 2 design railway bridge. d. #OTD 24 Mar 1974 en.wikipedia.org/wiki/Nina_Ca...
March 24, 2026 at 11:23 PM
Isabella Ribeiro de Cabral 1939 joined Light Aeroplane Club in #Trinidad. Post #WWII club resumed training & 1948 she earned license becoming 1st woman pilot in #TrinidadandTobago. Flew exhibition & competition shows in Auster Aircraft b #OTD 11 March 1918 en.wikipedia.org/wiki/Isabell...
March 11, 2026 at 8:00 PM
Jeanne Pallier French aviator, earned pilot's licence 1912. #WWI offered to fly for France, government refused. Founded le Club Féminine Automobile to provide 120 volunteer female drivers & 70 nurses for ambulances to transport injured from Front. d. #OTD 6 Mar 1939 en.wikipedia.org/wiki/Jeanne_...
March 6, 2026 at 9:27 AM
Happy International Women’s Day!

Let's create a thread of women from history we think more people should know about.

We will start:

Una Marson (1905 – 1965) was a Jamaican feminist, activist and writer.

Image: WikiCommons
#WHM26 #InternationalWomensDay
March 8, 2026 at 1:39 PM
Alice Sollier 1887 qualified as 1st Black French woman medical doctor. 1st French female physician director of private healthcare facility. 1 of 72 women whose names proposed to be added to #EifffelTower On front pg of #Wikipedia today en.wikipedia.org/wiki/Main_Page en.wikipedia.org/wiki/Alice_S...
March 27, 2026 at 8:39 AM
Edmée Chandon (1885–1944) French astronomer. 1908 trainee @ Paris Observatory. 1912 appointed paid aide astronome et attachée there= 1st professional woman astronomer in France. 1930 PhD thesis on tides of Red Sea & Gulf of Suez. Asteroid 1341 Edmée named for her en.wikipedia.org/wiki/%C3%89d...
March 15, 2026 at 10:28 PM
Celebrate #WHM26 with incisive books on gender, power, culture and the forces shaping everyday life.

📚💙 https://bit.ly/4tSwBtO 💡

#HistBookChat
March 1, 2026 at 12:17 PM
Martha J B Thomas US chemical engineer & analytical chemist. 1953 PhD @ Boston University whilst working @ Sylvania Electric Products, 1970 Head of Phosphor R&D Section. Made 23 official improvements in lightbulbs 💡as Director of tech services @ GTE Electrical. b. #OTD 13 Mar 1926 bit.ly/3tYi2a6
March 14, 2026 at 12:47 AM
Eugénie Cotton (1881–1967) French physicist, 4 kids. 1925 PhD on magnetism of salts. Taught @ ENSJF, headed it 1936-41, anti-fascist activism led to Vichy govt forcing resignation. 1944 helped found Union of French Women 4 World Peace. Venusian crater named in honour en.wikipedia.org/wiki/Eug%C3%...
March 17, 2026 at 11:36 PM
Ira Rischowski 1919 1st woman #electricalengineering student @ TUDarmstadt #Germany. 1936 #refugee to UK via #Prague escaping persecution after Nazi arrest, did domestic work b4 return to engineering. 1939 joined UK @wes1919.bsky.social Interned as enemy alien @ #Rushen camp #WWII bit.ly/2V5w4pE
March 3, 2026 at 4:29 PM
Helena Amélia Oehler Stemmer #Brazilian civil engineer & university professor. 1954 grad Uni Federal do Rio Grande do Sul. Studied @ Tech Uni of North Rhine-Westphalia Germany. Only woman to head engineering department @ Uni Federal de Santa Catarina in 50 years. d. #OTD 28 Mar 2016 bit.ly/3hclpT1
March 28, 2026 at 8:23 PM
Friends! It's Women's History Month and @bookshop.org has kindly curated a list recommended by booksellers at Women-owned bookstores!

There's 20% off featured books with code WHM26 until March 31st, 2026 💙📚 #BookSky #Fiction

**The below is an affiliate link 😊
bookshop.org/lists/fictio...
March 1, 2026 at 9:27 PM
Dorothy Martin Simon, US physical chemist in aerospace combustion & development of polymers. Worked on heat shield construction& improvement of rocket engine designs @ NACA. Work @ DuPont led to invention of polymers Dacron & Orlon. d. #OTD 25 Mar 2016 #WomenInSTEM en.wikipedia.org/wiki/Dorothy...
March 25, 2026 at 11:14 PM
Anita Conti (1899–1997) France’s 1st woman oceanographer, pioneer in marine science, photographer. 1930s pioneered mapping seabed, 1940s experimented w fish preservation methods to address protein requirements in Africa. 1st to realise underwater resources are finite en.wikipedia.org/wiki/Anita_C...
March 16, 2026 at 11:36 PM
Radhia Cousot (1947–2014) Tunisian French computer scientist. Invented abstract interpretation: key concept @ heart of software verification. 1958 survived Sakiet Sidi Youssef school massacre. Ranked 1st @ Polytechnic School of Algiers, only woman. PhD @ Nancy Uni en.wikipedia.org/wiki/Radhia_...
March 20, 2026 at 9:28 AM