The authors stumbled upon an unsolved mystery far away in the homeland of their ancestors, in a small village named Tiefenbach, set among the beautiful rolling hills in the Oberpfalz region of eastern Bavaria, Germany. The mystery involved a unique stained-glass church window with an intriguing inscription, "Kraemer in Amerika." Setting out to discover the meaning behind the inscription, the authors found themselves faced with many unanswered questions: Who did "Kraemer in Amerika" represent? Where in America did this Kraemer live? Who donated money for the Kraemer window? In what year was...