Waldemar Haffkine
Waldemar Mordechai Wolff Haffkine , born Vladimir Aronovich (Markus-Volf) Khavkin (Russian: Владимир Аронович (Маркус-Вольф) Хавкин; 15 March 1860 – 26 October 1930) was a Russian-French bacteriologist known for his pioneering work in vaccines. Haffkine was educated at the Imperial Novorossiya University and later emigrated first to Switzerland, then to France, working at the Pasteur Institute in Paris, where he developed a cholera vaccine that he tried out successfully in India.