That was after words, booktvs Signature Program in which authors of the latest nonfiction books are interviewed. Watch past after words programs online at booktv. Org. Host university of wisconsin professor jennifer ratnerrosenhagen, who was Frederick Nietzsche . Guest he was a 19th century german philosopher who wrote many, many, many, many books on philosophy and all sorts of different forms. And all of them some after riskic, some essayistic, some longer formally teaks, and all of them critiques, and all of them had something to do with the challenge of universal truth. So he took as his enemy the notion of universal truth, and pretty much all of his work has something to do with his effort to tear it down, excavate it, look at the history of that idea and to show that anything that we take to be universals like, oh, god [laughter] are human creations. But theyre not rooted in nature or necessity, theyre not mirrors of reality. Host he wrote at one time god is dead guest and he wrot