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Jan Evangelista Purkinje: A Passion for Discovery.

December 2017 was the 230th anniversary of Jan Evangelista Purkinje's birth, which prompted us to review the life of this remarkable man who established the world's first department of physiology in Wroclaw and whose name is immortalized in the cardiologic eponym, Purkinje fibers. This paper offers an overview of Purkinje's life, legacy, and numerous scientific discoveries.