Reuben Leon Kahn

Reuben Leon Kahn ( born July 26, 1887 in Kaunas, Lithuania, † July 22, 1979 in Miami) was an American immunologist.

He is known for his research in the field of blood reactions, such as the test for syphilis (1923). Later he took up tests for tuberculosis, malaria and leprosy. Kahn did research and taught at the University of Michigan.