In this summary, the author discusses suicide clusters: the definite association among those suicides occurring within a short period of time in the same locale; how one suicide appears to be a model for others within a community who had been at risk; how tracking down suicide clusters historically is difficult as suicidologists have not thought in terms of clusters & contagion until quite recently. One of the first well documented clusters occurred in Greece in the 4th century B.C. (GW)