Robert Zemeckis and Martin Ritt, are of which nationality?
Martin Ritt Martin Ritt (March 2, 1914 – December 8, 1990) was an American director and actor who worked in both film and theater. He was born in New York City.
Martin Riesebrodt Martin Riesebrodt (April 22, 1948 – December 6, 2014) was a German-American professor of sociology and politics at the Graduate Institute of International and Development Studies, in Geneva. He was also emeritus professor at the Divinity School and the Department of Sociology at the University of Chicago. He earned his Ph.D. at the University of Heidelberg, and his Ph.D. Habilitation at the University of Munich.