These accusations were formally levied by the sociologist , Julius Rubin , who wrote a book on the subject after interviewing ex-members and researching Bruderhof history although he never visited a working Bruderhof and did not contact any current members during his research .
These accusations were formally levied by the sociologist , Julius Rubin , who wrote a book on the subject after interviewing ex-members and researching Bruderhof history . 
 It must be noted that he had never visited a working Bruderhof and had not contacted any current members during his research .