biologist, life scientist - (biology) a scientist who studies living organisms

Bruce, David Bruce, Sir David Bruce - Australian physician and bacteriologist who described the bacterium that causes undulant fever or brucellosis (1855-1931)

Ehrlich, Paul Ehrlich - German bacteriologist who found a `magic bullet' to cure syphilis and was a pioneer in the study of immunology (1854-1915)

Alexander Fleming, Sir Alexander Fleming, Fleming - English bacteriologist who discovered penicillin (1881-1955)

Hans C. J. Gram, Gram - Danish physician and bacteriologist who developed a method of staining bacteria to distinguish among them (1853-1938)

Koch, Robert Koch - German bacteriologist who isolated the anthrax bacillus and the tubercle bacillus and the cholera bacillus (1843-1910)

Elie Metchnikoff, Elie Metchnikov, Ilya Ilich Metchnikov, Metchnikoff, Metchnikov - Russian bacteriologist in France who formulated the theory of phagocytosis (1845-1916)

Hideyo Noguchi, Noguchi - United States bacteriologist (born in Japan) who discovered the cause of yellow fever and syphilis (1876-1928)

Hans Conrad Julius Reiter, Reiter - German bacteriologist who described a disease now known as Reiter's syndrome and who identified the spirochete that causes syphilis in humans (1881-1969)

Agust von Wassermann, Wassermann - German bacteriologist who developed a diagnostic test for syphilis (1866-1925)

Alexandre Emile Jean Yersin, Alexandre Yersin, Yersin - French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943)

Hans Zinsser, Zinsser - United States bacteriologist who helped develop immunization against typhus fever (1878-1940)