. . "Immunologist" . "Reuben Leon Kahn (July 26, 1887 in Kovno, Lithuania \u2013 July 22, 1979 in Miami) was an American immunologist.He is best known for his investigations of blood reactions, like the Kahn test, an efficient test for syphilis."@en . "1979-07-22Z"^^ . . . "Kahn, Reuben Leon"@en . . . . . . "Reuben Leon Kahn"@en . . "1887Z"^^ . "1979Z"^^ . "1887-07-26Z"^^ . . .