George Kennan (1845-1924) was a pioneering explorer, writer, and lecturer on Russia in the nineteenth century, the author of classic works such as Tent Life in Siberia and Siberia and the Exile System, and great-uncle of George Frost Kennan, the noted historian and diplomat of the Cold War.

In 1870, Kennan became the first American to explore the highlands of Dagestan, a remote Muslim region of herders, silversmiths, carpet-weavers, and other craftsmen southeast of Chechnya, only a decade after Russia violently absorbed the region into its empire. He kept detailed...