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Scientists search for that defining "Aha!" moment - and MSU professor David Kaufman's came about as a result of his commitment to understanding a degenerative disease as well as accepting both the ordinary and unorthodox throughout his career.
David Kaufman is the chair of neurology at Michigan State University's College of Human Medicine.
This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at ted.com/tedx