Herbert William Conn (1859-1917) was an American bacteriologist and educator. During his career, Conn published more than 150 papers, as well as a series of school textbooks. He is notable for discovering that typhoid fever can be distributed by oysters, and was a recognized specialist in the bacteriology of dairy products. Conn was a proponent of home economics, and his text Bacteria, Yeasts, and Moulds in the Home became a standard textbook in home economics courses.


