Seven Berlin theatres were lead by the Eastern Jews, the brothers Rotter, of who the Jew Arnold Zweig stated: “Under the leadership of these newcomers the litterary theatre has been turned into a mere and crude business.”

Make this lower case
seven berlin theatres were lead by the eastern jews, the brothers rotter, of who the jew arnold zweig stated: “under the leadership of these newcomers the litterary theatre has been turned into a mere and crude business.”