Jewish American women have played a central role in the American labor movement since the beginning of the twentieth century. As women, they brought to trade unions their sensibilities about the organizing process and encouraged labor to support government regulation to protect women in the workforce.

Born in Russia but educated in Switzerland, Anna Kuliscioff became one of the key figures in Italy’s early socialist movement and was a feminist advocate who concentrated on poor women’s issues. In her later life, she helped publish a socialist periodical and hosted a prominent salon, often with her partner Filippo Turati.

Pati Kremer was one of the pioneers of the Jewish workers’ movement in Eastern Europe. Already an active member in the 1890s of the so-called Vilna Group, the precursor to the Bund, she remained closely associated with the Jewish workers’ party until her death in the Vilna Ghetto.

Joyce Kozloff is an internationally recognized painter, public muralist, and feminist whose long-term passions have been history, culture, and the decorative and popular arts. One of the founders of the pattern and decoration movement, Kozloff is dedicated to creating her own work and giving the folk art of women of color a voice. Kozloff is known as one of America’s more original and engaging artists.

Kolot, the first Center for Jewish Women’s and Gender Studies established at a rabbinical school, was founded in 1996 to bring the insights of Jewish feminist scholarship to the training of rabbis, both in a revised curriculum and through innovative projects. Among these projects, Kolot developed ritualwell.org, a widely used feminist website of new Jewish rituals and liturgy, and a program to enhance self-esteem in teenaged girls, Rosh Hodesh: It’s a Girl Thing!

Reizia Cohen Klingberg began her career as a teacher, but when she began hearing reports of deportations and disappearances, she returned to occupied Krakow in 1942 and joined the ghetto’s underground movement. The group stole and smuggled weapons and attacked German officers. Despite being betrayed, arrested, and deported, Klingberg survived to be liberated by American soldiers at Auschwitz and subsequently moved to Palestine.

Chajka Klinger, a member of Ha-Shomer ha-Za’ir, was active in the resistance against the Nazis in Bedzin and Warsaw. Her mission was to live, so that she could keep the flame and memory of resistance alive. Her diaries were the first written evidence about the Warsaw Ghetto uprising to escape Nazi Europe.

Holocaust survivor Gerda Weissmann Klein has used her experiences to educate countless people through her books, television appearances, and motivational speaking. Among numerous other awards for her work, Klein was appointed to the United States Holocaust Commission by President Clinton in 1997, and in 2011 she was awarded the Presidential Medal of Freedom by President Obama.

As a member of the General Jewish Workers’ Bund, Helene Khatskels fought to realize socialist ideals about autonomy and liberation. As a Yiddish teacher and writer in Tsarist Russia and later the Soviet Union, she demonstrated a commitment to spreading and inspiring pride in Yiddish culture.

Although the kibbutz was intended as an equalitarian, democratic utopia, attempts to achieve gender equality have been limited by traditional masculinities and male-controlled spheres and gender inequalities have persisted.

Beginning in 1929, the religious kibbutz (Kibbutz Ha-Dati) movement represented the confluence of progressive ideals of equality and collectivism and traditional customs of Judaism. As a result, women in the movement lived at a crossroads.

Judith S. Kaye was the first woman to serve as chief judge of the state of New York and chief judge of the Court of Appeals of the state of New York.

Vita Kempner-Kovner was a heroic fighter on the front lines of the underground resistance to the Nazis.

Kashariyot were young women who traveled on illegal missions for the Jewish resistance in German-occupied Eastern Europe during the Holocaust. They smuggled goods, news, and other Jews in and out of the ghettos of Poland, Lithuania, and parts of Russia. While those who fought the Germans within the ghettos are often most celebrated for their heroism, kashariyot were essential in the survival of Jews within ghettos.