Chrystal Macmillan

Chrystal Macmillan was the first female science graduate at Edinburgh University and the first female honours graduate in Mathematics. She became active in the Women’s Suffrage Movement and went on to become a lawyer.

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Ellen Hayes

Ellen Hayes was an American mathematician and astronomer. She was one of the first female American professors.

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Christina Kirk Henderson

Her mother’s mission work led Christina to take an active role in the Presbyterian Women’s Missionary Union of New Zealand. She served as secretary (1917–20) and president (1930–32), but her main contribution was her editorship, from 1923 until 1946, of Harvest Field, the union’s magazine.

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Sophie Willock Bryant

Sophie Willock Bryant was an Irish mathematician who also published on many other topics: Irish history, religion, education, women’s rights, and philosophy.

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