'A Jew cannot be defined by religion, race, or national identity: one is a Jew if a Gentile says one is a Jew.' (Lawrence D. Lowenthal‪)‬

This essay examines what it means to be Jewish, and will give further details about the different definitions of Jewishness found especially in America. It looks at the way Jewishness is presented in Arthur Miller's novelFocus,and it examines whether Lowenthal's definition of Jewishness is affirmed or challenged by novel.