Science Birthdays, February 21

August Wasserman, born in 1866, he worked under Robert Koch, developed a diagnostic test for syphilis still known as the Wasserman test. He died in 1925 at age 59.

Dam Carl Dam, born in 1895, he was a chemist who studied under Pregel, he studied the synthesis of cholesterol in hens and also hypothesized vitamin K as a coagulation factor, it stands for Koagulation, the German spelling. 

 Rene Dubos, born in 1901 he was a biologist and microbiologist who’s research led to discoveries of antibiotics.

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