AllNews'Hans Christian Gram' - 1 News Result(s)Google Doodle Celebrates 166th Birthday Of Hans Christian GramWorld News | Edited by Abhimanyu Bose | Friday September 13, 2019 Today's Google Doodle celebrates the 166th birthday of Danish microbiologist Hans Christian Gram, who is known for his development of the Gram stain www.ndtv.com'Hans Christian Gram' - 1 News Result(s)Google Doodle Celebrates 166th Birthday Of Hans Christian GramWorld News | Edited by Abhimanyu Bose | Friday September 13, 2019 Today's Google Doodle celebrates the 166th birthday of Danish microbiologist Hans Christian Gram, who is known for his development of the Gram stain www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com