The Photograph of Rosemary and Charles  was taken about 1948,
after they won the Harvest Moon Festival for the Tango 

I have added the color, back drop, and lighting

They owned and operated The Charles Mattison Studios From 1950 - 1987.
First on Randolph Street in downtown Chicago, then at 1501 W. Berwyn Avenue in Chicago
Class lessons where $2.50 a class or 10 lessons for 21.50 

Music was provided by Don Banta and His Combo