Jane Addams was a charismatic world leader with an innovative intellectual legacy in sociology. She is one of the most important female sociologists who has ever lived. Her combined thought and practice is called “feminist pragmatism”: an American theory uniting liberal values and a belief in a rational public with a cooperative, nurturing, and liberating model of the self, the other, and the community. Addams's intellectual legacy as a feminist pragmatist articulated radical changes in US life and politics, altering the possibilities for human growth and action for the poor, the working class, immigrants, people of color, youth, the aged, and women.