Dr. Johnson specializes in the history of crime and violence , the Holocaust , and the history of modern Germany .
Eric A. Johnson ( born May 9 , 1948 ) is an American historian , social scientist , and professor of history at Central Michigan University .
historian historian specializes in the history of crime and violence , the Holocaust , and the history of modern Germany .
Eric A. Johnson ( born May 9 , 1948 ) is an American historian , social scientist , and professor of history at Central Michigan University .