"Osip Mandelstam is a central figure not only in modern Russian but in world poetry, the author of some of the most haunting and memorable poems of the twentieth century. A contemporary of Anna Akhmatova, Marina Tsvetayeva, and Boris Pasternak, a touchstone for later masters such as Paul Celan and Robert Lowell, Mandelstam was a crucial instigator of the "revolution of the word" that took place in St. Petersburg, only to be crushed by the Bolshevik...