Edith Clarke

American electrical engineer with expertise in power systems and was influential in the design of dams across the American West, including Hoover Dam.

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Florence B Seibert

American biochemist who developed a groundbreaking procedure that led to a reliable tuberculosis test (TB test), used to detect the potentially deadly virus in infants, children and adults worldwide. She also contributed to the development of safety measures for intravenous drug therapy.

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Ynes Mexia

One of the most successful botanists and female plant collectors of her time; she did not begin her career until she was 55 years old.

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Dr Marie Equi

Doctor in the American West who provided care to working-class and poor patients, including birth control information and abortions at a time when both were illegal.

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Jane Bell

In 1910 she was appointed lady superintendent at the Melbourne Hospital, a position she would occupy until 1934. In 1913 Bell replaced Elizabeth Glover as lady superintendent of the nurses attached to the Third Military District, and was responsible for the selection of nurses to accompany the troops when war broke out in the following year.

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Maud Leonora Menten

Seminal work published in 1912 by Leonor Michaelis (1875–1949) and Maud Leonora Menten (1879–1960), a German man and a Canadian woman, cast light on the reasons why enzymes are so efficient.

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