During the pandemic, Marjorie Perloff, one of our foremost scholars of global literature, found her mind ineluctably drawn to the profound commentary on life and death in the wartime diaries of eminent philosopher Ludwig Wittgenstein (1889-1951). Upon learning that these notebooks, which richly contextualize the early stages of his magnum opus, the Tractatus-Logico-Philosophicus, had never before been published in English, the Viennese-born Perloff...