William S. Heckscher
In 1932–1933, Heckscher lived in New York where he worked as Panofsky's assistant. During this time, he enrolled in the Graduate Department of Art History at the Institute of Fine Arts at New York University to study American art history. Heckscher returned to Germany to continue his studies in 1934. He and his mother were detained by the Gestapo and interrogated for ten days after being accused of having pacifist connections.
Eli Rubenstein
He attended Eitz Chaim School and Yeshivas Ner Yisroel of Toronto in Toronto as well as Telshe Yeshiva in Cleveland and Bais Hatalmud Yeshiva in Jerusalem, Israel. He received a degree in humanities from York University in Toronto, as well as studying at Yad Vashem in Jerusalem, Israel, the University of Judaism in Los Angeles, California, and the International Institute for Secular Humanistic Judaism in Farmington Hills, Michigan.