Wassermann, August von (1866–1925), a German bacteriologist. In 1906 he devised the Wassermann blood test for diagnosing syphilis. A positive reaction to the test shows the presence of antibodies formed as a result of infection with the disease. Wassermann practiced medicine in Strasbourg, then in 1906 became director of the department of experimental therapy and serum research at the Robert Koch Institute for Infectious Diseases in Berlin. He was director of the department of experimental therapy at the Kaiser Wilhelm Institute, 1913–25.
Merrifield, Robert Bruce (1921-) is an American biochemist who won the 1984 Nobel Prize in chemistry for his method of producing peptides and proteins.
Chain, Sir Ernst Boris (1906-1979), a British biochemist. In the late 1930's, he and the British pathologist Howard W.