1 Jill Stein

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Former NASA astronaut Mae Jemison became the first Black woman to fly into space, as a mission specialist on the Space Shuttle Endeavour. A qualified physician, she has served as a Peace Corps doctor, too. She has written several books and established a non-profit and a tech research organization.
Maria Montessori was an Italian educator and physician best known for developing the Montessori method of education, a student-friendly method, which is being used in several public and private schools around the world. In 2020, she was nominated by Time magazine as one of their Top 100 Women of the year.
Rita Levi-Montalcini was an Italian neurologist whose discovery of nerve growth factor earned her the 1986 Nobel Prize in Physiology or Medicine. Throughout her life, Levi-Montalcini's work in neurobiology earned her several other honors and awards, including the Golden Plate Award from the American Academy of Achievement and the European Academy of Sciences' Leonardo da Vinci Award.