6️⃣4️⃣ Marguerite Perey (1909 -1975) 🇫🇷 #womeninSTEM Chemist and physicist who worked with Marie Curie. She is best known for isolating francium in 1939. She was the first woman to be elected a correspondent of the French Académie des Sciences in 1962.

https://www.lindahall.org/about/news/scientist-of-the-day/marguerite-perey/