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.

Continue reading

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.

Continue reading

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.

Continue reading

Stephanie Kwolek

In 1965 Stephanie Kwolek created the first of a family of synthetic fibers of exceptional strength and stiffness. The best-known member is Kevlar, a material used in protective vests as well as in boats, airplanes, ropes, cables, and much more—in total about 200 applications.

Continue reading

Susan Solomon

In 1986 Susan Solomon provided the most conclusive evidence for the theory proposed 13 years earlier that CFCs could be destroying the protective layer of ozone in the earth’s upper atmosphere.

Continue reading

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.

Continue reading