Ronald L. Eisenberg is a Professor of Radiology at Harvard Medical School and on the faculty at Beth Israel Medical Center in Boston. Dr. Eisenberg has been awarded Masters and Doctoral degrees in Jewish Studies from Spertus Institute in Chicago and has published six critically acclaimed books on Jewish topics, including The Jewish World in Stamps (Schreiber, 2003), The JPS Guide to Jewish Traditions (Jewish Publication Society, 2004), The 613 Mitzvot (Schreiber, 2005), Dictionary of Jewish Terms (Schreiber, 2008), and What the Rabbis Said (Praeger, 2010). He has authored more than 20 books in his medical specialty and is also a non-practicing attorney.