Judith Graham Pool was a physiologist whose scientific discoveries revolutionized the treatment of hemophilia. Pool isolated factor VIII and created a concentrate made from blood plasma that could be frozen, stored, and used by hemophiliacs in their own homes.

Hortense Powdermaker explored the balance of involvement and detachment necessary for participant-observer fieldwork in cultural anthropology, stressing the ability to “step in and out of society.” Her secular Jewish identity was apparently a factor in learning this skill, exemplified in an academic career that included thirty years of college teaching and the writing of five major books based on widely diverse fieldwork studies.

Nehamah Pukhachewsky’s writings advocated for Jewish women with a feminist confidence that resonates with readers to this day. Pukhachewsky immigrated from Lithuania to Palestine in 1889, actively participating in agriculture and women’s rights movements along with writing articles for Hebrew journals. She is remembered as one of the first modern Hebrew women prose writers.

Sophie Rabinoff used the skills she honed as a doctor in Palestine to improve health care in some of the worst slums in New York. Her innovative work helped to establish the fields of public health and preventive medicine in both the United States and Palestine.

An outstanding bacteriologist and a leading figure in the feminist movement of women scientists in Germany in the first three decades of the twentieth century, Lydia Rabinowitsch-Kempner was a pioneer among women scientists, an exception among the first generation of women scientists in her combination of career and family.

The "founding mother" of modern Hebrew poetry by women, Rahel Bluwstein achieved in death the status of a national cultural icon. Rahel’s affiliation with the avant-garde group of Second Aliyah pioneers to pre-state Palestine, her dedication to Zionist ideals, and her agonizing death made her a beloved pioneering figure in Israel.

Lydia Rapoport was a social worker, professor, caseworker, and advocate of social change. Her contributions to crisis theory transformed how social workers and therapists handle crisis intervention.

Despite her tragically short career, Ora Mendelsohn Rosen was a brilliant research physician and leading investigator of how hormones control the growth of cells. One of the few female members of the National Academy of Sciences at the time, Rosen’s biochemistry work fundamentally shaped our understanding of diabetes and cancer.

An accomplished doctor and tuberculosis researcher in her own right, Esther Rosencrantz is remembered most for an intense interest in Sir William Osler, her mentor, whom she researched.

Dr. Hadassah Bimko Rosensaft played an instrumental role in saving the lives of fellow concentration camp inmates at Auschwitz-Birkenau and then at Bergen-Belsen. Rosensaft was later involved in the creation of the United States Holocaust Memorial Museum.

The first woman and the first Jew to be granted a doctorate in physics at the University of Toronto, Mattie Rotenberg also founded Toronto’s first Jewish day school in 1929 to educate her five children. She went on to embark upon a successful second career in journalism.