Ronald L. Eisenberg is an internationally renowned radiologist, who has authored 20 books in his medical specialty. Dr Eiseneberg received his medical degree from the University of Pennsylvania in 1969 and did his residency at Massachusetts General Hospital (1969 - 1970) and UCSF (1973 - 1975). He is currently Chairman of Radiology at the Highland General Hospital in Oakland, CA and Clinical Professor of Radiology at the UC San Francisco School of Medicine and Clinical Professor of Radiology at UC Davis School of Medicine in Sacramento, CA. A non-practicing attorney and author of Radiology and the Law, Dr. Eisenberg has also published five books in the field of Judaic Studies, including The Jewish World in Stamps and The Jewish Publication Society Guide to Jewish Traditions.

Alexander R. Margulis immigrated from Yugoslavia after WW II, was accepted to Harvard Medical School where he graduated in 1950. He did his Radiology residency at the University of Michigan, was an Assistant Professor at the University of Minnesota, served 2 years as a captain in the US. Army Medical Corps and was then.Assistant, Assocaite and Full professor at Washington University St. Louis MO. Dr Margulis was Pofessor and Chairman of the department of radiology, UCSF and is now Clinical Professor of radiology at Weill Cornell Medical College in New York, NY. He has authored or edited 16 books and more than 400 peer-reviewed papers.