Alumni Composites by Year


100+ years of Boulder Character

Past and present, the men of SIgma Nu Boulder have lived through extraordinary times.  Two world wars, long and short hair, the horse-drawn carriage and electric cars, Glen Miller and Glen Frye, Flappers, Hippies, and Ravers.  Look through our class photos to discover and find brothers that bind us together for all time.  

To view your class composite, just click on the year below!