Tammer realised that throughout her life, she had repeatedly had to prove that she belonged, especially as a Jew. She grew up United Synagogue-observant and attended a Jewish school until she was 13. But when she took the 11-plus and was interviewed for a place at a grammar school, she experienced her first taste of antisemitism. Three Jewish girls applied that year, she says, all of whom, herself included, ended up at Oxbridge; none was accepted by the school. During her interview, she recalls being asked if she attended a particular drama class, which took place on a Saturday morning. “I...