title: Waldemar Mordecai Wolff Haffkine (1860-1930), benefactor of mankind.
mesh_terms: D022121:Cholera Vaccines / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D007194:India; D010931:Plague Vaccine / Q000266:history*; D012425:Russia (Pre-1917)
chemical_list: D022121:Cholera Vaccines; D010931:Plague Vaccine