Category: Science & Technology

Florence Bascom

Florence Bascom was a trailblazing geologist and the first woman to receive a degree from Johns Hopkins University.
Image description: A black-and-white photo of Sister Mary Kenneth Keller next to an old computer.

Sister Mary Kenneth Keller

Sister Mary Kenneth Keller was the first U.S. woman to earn a Ph.D. in computer sciences and worked to expand access to computers in education.
Image description: A portrait-style photo of Millie Zantow in front of a wall of plastic bottles.

Milly Zantow

Milly Zantow pioneered the plastics recycling movement and invented the numbered-triangle system used for identifying different kinds of plastic.
Image description: A black-and-white photo of Ruth Harman Walraven standing in front of a plane.

Ruth Harman Walraven

Ruth Harman Walraven was a trailblazing female pilot in the mid-20th century.
Image description: A black-and-white photo of Frances Hamerstrom holding her arm out for a raptor with its wings spread.

Frances Hamerstrom

Frances Hamerstrom, an ornithologist who helped save the prairie chicken population in Wisconsin, was the first woman in the U.S. to earn a master’s degree in wildlife management.
Image description: A portrait-style photo of Laurel Clark in her NASA uniform.

Laurel Clark

Laurel Clark was an accomplished doctor, U.S. Navy captain, and NASA astronaut who died aboard the space shuttle Columbia in 2003.
Image description: A black-and-white headshot of Ruth Bleier.

Ruth Bleier

Ruth Bleier was a neurophysiology professor whose pioneering work showed that there was gender bias in the field of biological science.
Image description: A portrait-style photo of Carol Bartz folding her arms in front of a blue screen.

Carol Bartz

Carol Bartz is the former president and CEO of the internet company Yahoo!