Isaac Rosenfeld, who died in 1956 at the age of thirty-eight, was a brilliant and original writer whose work has unfortunately become unavailable to anyone but the scholar. A gifted member of a gifted generation, his writings shine with the hard light of a burning and troubled intelligence. Though Rosenfeld was a man quintessentially of his era, grappling with issues and books that may no longer engage us, his writing remains fresh because of his...