Yersin Yer·sin (yěr-sāɴ'), Alexandre Émile John. 1863-1943.
Swiss-born French bacteriologist. His work with the diphtheria bacillus led to the development of antitoxins to neutralize pathogenic toxins.
The bacillus pestis was discovered by Kitasato and yersin, working independently, in 1894.
It is caused by a specific bacillus isolated by Kitasato and yersin in 1894.
But Dr. yersin's explanation of the Ceraunic pictures does not seem to me to be justified.