Esther Rosencrantz Content type Biography Blog Encyclopedia Article Lesson Plan Oral History Podcast Collection We Remember This Week in History The Feminist Revolution Women Rabbis Women of Valor Power Couples Soviet Jewry Baltimore DC Katrina Seattle Western Pioneers Esther Rosencrantz 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.