Hal Hellman
HAL HELLMAN is the author of Great Feuds in Science, Great Feuds in Medicine, and Great Feuds in Technology, all from Wiley. He has published articles in the "New York Times," "Omni," "Reader's Digest," "Psychology Today," and "Geo."
HAL HELLMAN is the author of Great Feuds in Science, Great Feuds in Medicine, and Great Feuds in Technology, all from Wiley. He has published articles in the "New York Times," "Omni," "Reader's Digest," "Psychology Today," and "Geo." See less
