Michael Hannegan

Michael Hannegan, M.D. was a pathologist at the University of Pennsylvania, and is an Industry Expert.

Dr. Hannegan testifed as an industry expert on behalf of American Tobacco in the case of Girton v American Tobacco in 1988, despite the fact that that he had never written a paper on the effects of cigarette smoking, lung cancer, or asbestos.

Trial testimony of MICHAEL HANNEGAN, M.D., June 20, 1988, GIRTON v. AMERICAN TOBACCO CO.

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