4️⃣7️⃣ Ellen Gleditsch (1879-1968) 🇳🇴 #womeninSTEM The second Norwegian woman to become a University professor, she headed the chair of inorganic chemistry in Oslo. She worked with Marie Skłodowska-Curie and determined the half life of natural radium.

https://www.degruyter.com/document/doi/10.1515/ci-2019-0309/html