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Paul Halpern, PhD
Paul Halpern, Ph.D., is a theoretical physicist and an associate professor at the Philadelphia College of Pharmacy and Science. He is the author of numerous books and articles on astronomy and scie...view morePaul Halpern, Ph.D., is a theoretical physicist and an associate professor at the Philadelphia College of Pharmacy and Science. He is the author of numerous books and articles on astronomy and science. He lives in Philadelphia, Pennsylvania.view less
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