In January 2022, during the Omicron surge of the COVID-19 pandemic, when the world was shut into screens and rooms tense with anxiety, I read Anne Carson’s prose poem ‘Four Talks’. The poem was dense and allusive. I was grateful for the intellectual distraction. The first section is titled ‘Short Talk on Todtnauberg’. This, I discovered, is the German village in the Black Forest where the philosopher Martin Heidegger had a chalet and wrote portions of Being and Time. In 1967, the Romanian poet and Holocaust survivor Paul Celan went there to meet Heidegger, who had been associated with the Nazis....