many of the Holger Pedersen noted vague similarities same things that bother us, for they took between Indo-European and other proto- the trouble to invent words for fleas. lice. languages, including Semitic (precursor of and in-laws. Arabic and Hebrew) and Al- taic (ancestor of Japanese and Korean). But it was not The Importance of Genes until 1964 that two Soviet scholars, Vladislav Illich- "We cannot continue to think about disease as an outside Svitych and Aaron Dolgo- enemy," geneticist...