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Position and Department
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Institution
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Years
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Research Assistant, Department of Experimental Pathology
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University of Warsaw, Warsaw, Poland
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1936-39
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Research Associate, Yellow Fever Research Service
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Rockefeller Foundation and Ministry of Education, Rio de Janeiro, Brazil
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1940-44
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Research Associate, Section of Viral and Rickettsial Research
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Lederle Laboratories, American Cyanamid Company, Pearl River, New York
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1944-46
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Assistant Director, Section of Viral and Rickettsial Research
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Lederle Laboratories, American Cyanamid Company, Pearl River, New York
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1946-57
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Director and Institute Professor
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The Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania
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1957-91
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Wistar Professor of Research Medicine
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University of Pennsylvania, Philadelphia, Pennsylvania
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1957-
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Professor of Microbiology, Faculty of Arts and Sciences
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University of Pennsylvania, Philadelphia, Pennsylvania
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1957-
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Institute Professor
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The Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania
|
1991-93
|
|
Professor, Department of Microbiology and Immunology
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Thomas Jefferson University, Philadelphia, Pennsylvania
|
1992-
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Director, Center of Neurovirology and Biotechnology Foundation Laboratories
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Thomas Jefferson University, Philadelphia, Pennsylvania
|
1992-
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President
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Biotechnology Foundation, Inc., Philadelphia, Pennsylvania
|
1992-
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Professor Laureate
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The Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania
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1993-
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