sentences:  Jonathan Sarna
  
  Jonathan D. Sarna (born 10 January 1955) is the Joseph H. and Belle R. Braun Professor of American Jewish History in the department of Near Eastern and Judaic Studies at Brandeis University in Waltham, Massachusetts and director of its Hornstein Jewish Professional Leadership Program.He is the son of Hebrew College librarian Helen Horowitz Sarna and biblical scholar Nahum Sarna.