Petitioner after jury trial was found guilty of disorderly conduct in violation of a city ordinance of Chicago and fined. The case grew out of an address he delivered in an auditorium in Chicago under the auspices of the Christian Veterans of America. The meeting commanded considerable public attention. The auditorium was filled to capacity with over eight hundred persons present. Others were turned away. Outside of the auditorium a crowd o about one thousand persons gathered to protest against the meeting. A cordon of policemen was assigned to the meeting to maintain order; but they were not able to prevent several disturbances. The crowd outside was angry and turbulent. Petitioner in his speech condemned the conduct of the crowd outside and vigorously, if not viciously, criticized various political and racial groups whose activities he denounced as inimical to the nation's welfare.