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The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker , widened the teeth.
Nina Starr Braunwald (March 2, 1928 – August 5, 1992) [1] was an American thoracic surgeon and medical researcher who was among the first women to perform open-heart surgery. She was also the first woman to be certified by the American Board of Thoracic Surgery , and the first to be elected to the American Association for Thoracic Surgery . [ 2 ]
This is a historical list dealing with women scientists in the 20th century. During this time period, women working in scientific fields were rare. Women at this time faced barriers in higher education and often denied access to scientific institutions; in the Western world, the first-wave feminist movement began to break down many of these ...
The dishwasher, chocolate-chip cookies, and the first version of the Monopoly board game were all created by women. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...
Early 12th century: Dobrodeia of Kiev (died 1131), a Rus' princess and Empress of the Eastern Roman Empire, was the first woman to write a treatise on medicine. [14] Early 12th century: The Italian medical practitioner Trota of Salerno compiled medical works on women's ailments and skin diseases. [15]
Jennifer Doudna was born February 19, 1964, in Washington, D.C., as the daughter of Dorothy Jane (Williams) and Martin Kirk Doudna. [2] [17] Her father received his PhD in English literature from the University of Michigan, and her mother held a master's degree in education.
Ann S. Tsukamoto Weissman [1] (born July 6, 1952) is an Asian American stem cell researcher and inventor. [2] [3] In 1991, she co-patented a process that allowed the human stem cell to be isolated and demonstrated their potential in treating patients with metastatic breast cancer.
The presence of women in medicine, particularly in the practicing fields of surgery and as physicians, has been traced to the earliest of history.Women have historically had lower participation levels in medical fields compared to men with occupancy rates varying by race, socioeconomic status, and geography.