Sanger was born in
Brooklyn, New York, but spent much of his early childhood traveling with his family around Central and South America. Sanger's interest in theater stemmed from his undergraduate years at the
University of Pennsylvania, where he was chairman of the Board of The Pennsylvania Players, and President of the Performing Arts Council. At the graduate level, Sanger attended the Annenberg School of Communications at the University of Pennsylvania, studying documentary and biography based filmmaking. After graduating, Sanger joined the
Peace Corps in a special program with an emphasis on television and film production. Sanger was assigned to help create an Educational Television station in
Montevideo,
Uruguay. He later transferred to
Bogotá,
Colombia, to make films for ICODES, the Colombian Institute of Social Development. After his Peace Corps term was completed, Sanger worked on documentary films in
Ecuador,
Chile and
Mexico for
NBC's International Zone. Soon after, he became Associate Editor for
Americás, a cultural magazine published by The Organization of American States, where he wrote and translated articles. Sanger was contracted by the
Encyclopædia Britannica to write the article on Bogotá, Colombia for
Britannica 3. ==Film==