James Howard Brown (May 18, 1884, Jacksonville, Illinois – February 10, 1956, Baltimore, Maryland) was an American professor of bacteriology.
[2] In the department of comparative pathology of Harvard Medical School, he was from 1910 to 1917 an assistant and an Austin teaching fellow.
[4][1] In 1923 he joined the faculty in the department of pathology and bacteriology[5] of the Johns Hopkins School of Medicine and continued there for the remainder of his career.
[1] J. Howard Brown is best known for his pioneering work on the biochemical characterization and differentiation of the streptococci, but he also did research on many other bacteria.
[6] He, with William Dodge Frost and Myrtle Shaw, developed methods of culturing bacteria to differentiate between streptococci of bovine and human origin.