7️⃣5️⃣ Jewel Plummer Cobb (1924-2017) 🇺🇸 #womeninSTEM American biologist whose crucial research led to the discovery of the effectiveness of the drug methotrexate in treating childhood leukaemia. She served as the 1st female president of California State University, Fullerton

https://www.jax.org/news-and-insights/jax-blog/2018/may/women-in-science-jewel-plummer-cobb#