Women in Science

Women of Science

During her acceptance speech for the 1929 Pictorial Review Annual Achievement Award, Florence Rena Sabin said,

It matters little whether men or women have the more brains; all we women need to do to exert our proper influence is just to use all the brains we have.?

Sabin, an anatomist, was one of the leading scientists in the United States. In 1925 she had become the first woman elected to the U.S. National Academy of Sciences. But she underestimated the challenges facing women as scientists. Throughout history, intelligence alone has rarely been enough to guarantee women a role in the process of examining and explaining the natural world.

Women Scientists In The Ancient World And Middle Ages

Researchers can only speculate about the relative roles of men and women thousands of years ago, as they made shelters and clothing, tamed fire, and domesticated animals and plants. Prior to the great civilizations of early Greece and Rome, women are known to have practiced medicine in ancient Egypt. Merit Ptah, who lived sometime around 2700–2500 BCE, is described on her tomb as “the chief physician.” In ancient Greece, which came into existence sometime around the 8th century BCE, pondering the nature of reality and of health and disease became primarily male endeavours. But by the time that the Roman Empire reached its dying days in the 4th century CE, a woman, Hypatia of Alexandria, had emerged as a symbol of learning and science. Hypatia, who lived from 370 to 415 CE, was a mathematician who rose to be head of her city’s Neoplatonist school of philosophy. Sadly, she suffered a violent death at the hands of a Christian mob, who falsely suspected her of political intrigue.

Women fared little better in the Middle Ages, being excluded from the universities that began to be founded in Europe from the late 11th century onward. During this period, convents provided havens where women could become considerable scholars. In the 12th century the abbess Hildegard of Bingen (St. Hildegard) wrote books on the natural world and on the causes and cures of illness. Many other women worldwide were also practicing medicine and herbalism in their homes and communities at this time.

From The Enlightenment To The 19th Century

Higher study in the early modern period was available only to those from particularly enlightened and wealthy families. In 1667 Margaret Cavendish, the duchess of Newcastle, attended a meeting of the then newly formed Royal Society of London. At a time when most women writers used male pseudonyms, she wrote under her own name on numerous subjects, including experimental philosophy (physics).

In the 18th century the Enlightenment, or Age of Reason, brought new opportunities for some women. In the University of Bologna in Italy, the Newtonian physicist Laura Bassi was appointed to professorships in both anatomy and experimental philosophy, making her the first woman in the world to hold such posts. Pope Benedict XIV awarded the mathematician Maria Gaetana Agnesi a professorship, which she held in an honorary capacity at the same university. In France the high social status of mathematicians émilie du Chatelet, who carried out some of her most influential work in the 1730s, and Sophie Germain, who was prominent in the late 1700s and early 1800s, enabled them to work independently and receive the recognition of their male peers. About the same time, German-born British astronomer William Herschel made his sister, Caroline Lucretia Herschel, his chief assistant. Caroline performed calculations for her brother’s studies, discovered several comets on her own, and published a comprehensive revision of the star catalog. She received a pension from King George III in payment for her work, as did her contemporary, Scottish mathematician and astronomer Mary Somerville. In 1835 both women were elected honorary members of the Royal Astronomical Society.

Throughout the 19th century women in Europe and the United States were actively campaigning for the right to the same education as men, and some notable pioneers succeeded, despite the social obstacles in their way. In 1849 Elizabeth Blackwell, who was born in Britain and whose family immigrated to the United States in 1832, became the first woman to obtain a medical degree, if one excludes James Barry, a British military surgeon who is widely believed to have been a woman living as a man and who in 1812 qualified as a doctor. The Russian mathematician Sofya Vasilyevna Kovalevskaya, who was the first woman in modern Europe to earn a doctorate in mathematics, was prohibited from studying at universities in her home country. She earned a degree at a university in Germany and was later elected a full professor at the University of Stockholm in Sweden.

The Growth Of Women’s Higher Education In The 19th And Early 20th Centuries

In the 19th and early 20th centuries, in both the United States and the United Kingdom, the founding of women’s colleges provided for the first time a clear career path for women scientists. Although some women were able to practice as individual scientists, many benefited from what has been described as the “harem effect,” in which male scientists employed groups of women assistants. During this period many women made significant contributions to science, including the astronomers Williamina Paton Stevens Fleming and Annie Jump Cannon, who classified stars for American physicist and astronomer Edward Pickering at the Harvard College Observatory. British botanist and geneticist Rebecca Saunders and British biochemist Muriel Wheldale contributed to the foundation of modern genetics through their work with British biologist William Bateson at the University of Cambridge in England. Saunders and Wheldale had received their early training in the Balfour Biological Laboratory for Women, a research facility established specifically for the women students and staff of Newnham and Girton colleges at Cambridge, because women were excluded from the university’s other laboratories.

The willingness of a male figure to accept and encourage female colleagues was critical at this time in enabling women to establish themselves. The celebrated partnership between Polish-born French physicist Marie Curie and her husband Pierre Curie led them to share the 1903 Nobel Prize for Physics (it was only the third year the prizes were awarded). Her discovery of new radioactive elements, including polonium and radium, won her the Nobel Prize for Chemistry in 1911. Curie was the first woman to win a Nobel Prize, and the first person to win the award in two different fields.

World War II And Social Changes

During World War II (1939–45), women undertook many roles that were previously exclusively male, including scientific researchers. American crystallographer Isabella L. Karle developed processes to isolate plutonium chloride from impure plutonium oxide while working on the Manhattan Project. American mathematician Grace Murray Hopper worked for the U.S. Navy as one of the first computer programmers, and American biologist Rachel Carson worked for the U.S. Bureau of Fisheries (from 1940 the U.S. Fish and Wildlife Service) as an aquatic biologist. In the postwar years many female wartime workers returned to the domestic sphere, unlike Hopper and Carson, who maintained their positions. However, the argument that women were mentally, physically, or emotionally unfit for scientific work, a notion that had persisted since ancient times, was no longer tenable. In addition, the notion that middle-class women should not continue to work once they were married, which had removed many qualified women from the scientific workforce, also began to lose credibility.

Beginning in the 1960s, when the women’s movement in the 20th century was nearing its peak, women campaigned for, and won, equal rights in education and employment. The increasing availability of effective birth-control methods meant that women could plan their families along with their futures, and the dual-career family became the norm rather than the exception. These social changes, which affected women in all walks of life, had a major impact on their participation in higher education. Instead of a few women training to be teachers or nurses, female students in increasing numbers were now choosing careers in physics, chemistry, and mathematics, as well as in law and business. Although women faculty grew slowly in number, their increasing presence provided inspiration for female students, enabling many to persevere. Some women researchers were recognized internationally for their contributions. For example, British crystallographer Dorothy Crowfoot Hodgkin and American geneticist Barbara McClintock made important discoveries that were duly recognized by the Nobel committees. (Hodgkin received the 1964 Nobel Prize for Chemistry, and McClintock won the 1983 Nobel Prize for Physiology or Medicine.)

For others recognition came belatedly and only after male colleagues had garnered the laurels. Austrian-born physicist Lise Meitner calculated the energy that would be released by splitting a uranium atom, but one of her colleagues, German chemist Otto Hahn, won the 1944 Nobel Prize for Chemistry for the discovery. Meitner and her other colleague, German physical chemist Fritz Strassmann, who also contributed to the discovery, were both later recognized with the 1966 Enrico Fermi Award, which they shared with Hahn. British scientist Rosalind Franklin took the critical X-ray image of DNA that enabled biochemists James Watson and Francis Crick to elucidate the double helix structure of the molecule. Franklin died before Watson and Crick received the 1962 Nobel Prize for Physiology or Medicine. British astronomer Jocelyn Bell Burnell identified regular pulses of radio waves in space and, with her thesis adviser, astrophysicist Antony Hewish, reported that the pulses were emitted by cosmic objects, which became known as pulsars. The 1974 Nobel Prize for Physics went to Hewish and the head of the department, radio astronomer Sir Martin Ryle, who designed the radio telescope used by Burnell.

Women Scientists In The 21st Century

In the early 21st century in the United Kingdom and the United States, nearly 50 percent of medical degrees and doctorate degrees in the biomedical sciences were awarded to women. Undergraduate numbers in mathematics and in the physical sciences were approaching similar levels, and only in computing and engineering were women students still significantly underrepresented. This massive statistical shift took place in the context of a general increase in the number of women entering higher education, a product of the widespread movement toward gender equality and of campaigns to encourage girls and women to pursue their interests. Reaching the top tiers of scientific recognition, however, remained difficult for women. But this challenge was not unique to science—women in business and government faced similar difficulties.

By 2001, a century after the presentation of the first Nobel Prizes, only 10 of the prestigious awards in the sciences had been bestowed upon women. But the first decade of the 21st century proved a watershed for women scientists. In 2009 alone three women captured the award—Australian-born American molecular biologist and biochemist Elizabeth H. Blackburn and American molecular biologist Carol Greider for Physiology or Medicine and Israeli protein crystallographer Ada Yonath for Chemistry—bringing, at the end of the decade, the total number of science Nobel Prizes awarded to women to 16. The Nobel for Physiology or Medicine was later awarded to Norwegian neuroscientist May-Britt Moser (2014) and Chinese scientist and phytochemist Tu Youyou (2015). The discoveries of these and other women and the broad recognition of their contributions to scientific progress marked what many hoped would be a promising turning point for women in science.

Written by Georgina Ferry, author of Dorothy Hodgkin: A Life.

Top Image Credit: ?American Philosophical Society Library-Barbara McClintock Papers/National Library of Medicine

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