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Delightful semipopular essays by a great scientist dealing with a variety of topics including his own important discoveries. The material was given as the Porter Lectures, Series 19. As one reads one regrets not having heard the author actually deliver these interesting and stimulating talks.
From the Workshop of Discoveries.. AMA Arch Intern Med. 1953;92(5):764. doi:10.1001/archinte.1953.00240230164016