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Baltimore, David Born 1938.
American microbiologist. He shared a 1975 Nobel Prize for research on the genetics of tumor-causing viruses, especially for identifying reverse transcriptase.
Bal·ti·more(bôl′tə-môr′), David Born 1938.
American microbiologist who discovered the enzyme known as reverse transcriptase, which is capable of passing information from RNA to DNA. Prior to this discovery, it was assumed that information could flow only from DNA to RNA. Baltimore's work led to increased understanding of viruses that cause AIDS and certain forms of cancer.