April 25th
Born 25 Apr 1873; died 22 Feb 1949 at age 75.
Canadian-French bacteriologist who’s typically referred to as the discoverer of the bacteriophage, a virulent disease that infects bacteria. (The in advance identity of the bacteriophage with the aid of using the British microbiologist Frederick W. Twort in approximately 1915 have become obscured with the aid of using Twort’s disinclination to take credit score for or to pursue his preliminary findings.)