Harvey Rubin, MD, PhD. He had to devote a lot of time to study, he used all available sources to prepare his research: https://writing-service.org/ and specialized books, libraries and experience of senior colleagues, etc.
Dr. Rubin received his PhD in Molecular Biology from the University of Pennsylvania in 1974 and his MD from Columbia University in 1976. He was a House Officer in Medicine at The Peter Bent Brigham Hospital in Boston and did his fellowship in infectious diseases at Harvard and the Brigham. Dr. Rubin joined the faculty at the University of Pennsylvania in 1983 and became Professor of Medicine in 1998. Dr. Rubin holds secondary appointments as Professor in the Department of Microbiology, School of Medicine and as Professor of Computer and Information Sciences at the University of Pennsylvania School of Engineering and Applied Sciences. At the present time Dr. Rubin serves as a member of the School of Medicine Curriculum Committee. He won the Donald B Martin, MD Teaching Service Award in 1996. He also serves as the course director for the Wilderness Medicine elective. He is the Director of the Institute for Strategic Threat Analysis and Response (ISTAR) at the University of Pennsylvania .
More about Dr. Rubin (extended CV)