The Pedagogical Lineage of the Kaplans and its Future

This article describes the origins of Bob and Ellen Kaplan's Math Circle, one of the first Math Circles in the U.S. It covers Bob and Ellen's personal histories and some of the wide-ranging impact of their work and philosophy of teaching. It also discusses how the current form of their organization, The Global Math Circle, is working to carry forward their legacy, including building community and supporting Math Circle leaders with the Nexus project.