John Daniel Spengler is an American health scholar currently serving as the Akira Yamaguchi Professor of Environmental Health and Human Habitation at Harvard T....
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John Daniel Spengler is an American health scholar currently serving as the Akira Yamaguchi Professor of Environmental Health and Human Habitation at Harvard T. H. Chan School of Public Health and a faculty member in the Harvard Department of Environmental Science and Public Policy and Harvard Faculty of Arts and Sciences.
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