Victor Erlich was born in 1914, at the threshold of what the great Russian poet Anna Akhmatova called "the real twentieth century," in Petrograd, a place indelibly marked by that century's violent dislocations and upheavals. His story, begun on the eve of the First World War and taking him through Russia, Poland, Lithuania, Germany, and the U. S. Army, is in many ways a memoir of that "real twentieth century," reflecting its lethal nature and shaped...