7️⃣9️⃣ Ida Smedley-MacLean (1877-1944) 🇬🇧 #womeninSTEM The first woman admitted to the London Chemical Society. She made a major contribution to the advancement of other women scientists, while gaining a reputation for her work on the role and synthesis of fatty acids.
https://en.wikipedia.org/wiki/Ida_Maclean