r dubos

Science Dictionary
Dubos   (d-bôs', -bō', dü-)  Pronunciation Key 
French-born American bacteriologist noted for his research on natural antibiotics, tuberculosis, and environmental factors in disease. In 1939 he discovered tyrothricin, the first commercially produced antibiotic.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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