Like many Jews in Australia, I am the granddaughter of a Holocaust survivor, but until recently, that felt like part of my family history rather than something that shaped how I thought about my own safety in this country. My grandfather, Joseph Kaltmann, came to Australia after his parents and his brother and sister were murdered in concentration camps, and after he became the only survivor of his immediate family. He chose Australia because it was far from Europe and because he believed it was a place without entrenched antisemitism, a place where Jews could build ordinary lives without always...