TOLI - The Olga Lengyel Institute for Holocaust Studies and Human Rights, Located in a townhouse on the upper east side of Manhattan, the Olga Lengyel Institute for Holocaust Studies and Human Rights opens its doors to Holocaust educators from across the United States. There, in the former home of Auschwitz survivor Olga Lengyel, teachers participate in seminars organized by the Holocaust Educators Network. HEN programs encourage teachers to think creatively and collaboratively about methods and approaches for teaching the Holocaust with the goal of fostering an agend.