Dr. Lentz earned an MD from the University of Washington where she is currently director and professor of urogynecology and has been named a Best Doctor in America. She is an author of Comprehensive Gynecology, 6th Edition.

Dr. Leslie is an author of the award-winning text, Practical Pulmonary Pathology: A Diagnostic Approach. He is currently a pathology professor at the Mayo Clinic College of Medicine in Rochester, Minnesota.

Susan C. Lester, MD, PhD is Chief, Breast Pathology Services, Brigham and Women’s Hospital and the Dana Farber Cancer Institute; Assistant Professor, Harvard Medical School, Boston. She is the author of . MORE

Jessica W. T. Leung, MD, FACR is Professor of Radiology and Section Chief of Breast Imaging at the University of Texas MD Anderson Cancer Center in Houston. She is a co-author of Diagnostic Imaging: Breast, 3rd Edition. MORE

Dr. Levin received his MD from Harvard Medical School and is currently a neuro-ophthalmologist at the University of Wisconsin Medical School. He is an author of Adler's Physiology of the Eye, 11th Edition.