George Woodman Hilton ( January 18 , 1925 -- August 4 , 2014 ) was a United States historian and economist , who specialized in social history , transportation economics , regulation by commission , the history of economic thought and labor history .
George Woodman Hilton ( January 18 , 1925 -- August 4 , 2014 ) was an American historian and economist . He worked in social history , transportation economics , regulation by commission , the history of economic thought and labor history .