WHAT A DIFFERENCE LIGHT MAKES! (YOUNG COUPLE SURPRISED BY YOUNG BROTHER)  The Saturday Evening Post, June 12, 1920 Norman Rockwell painted What a Difference Light Makes! (Young Couple Surprised by Young Brother) in 1920 as an #advertisement for #Edison #Mazda Lampworks .Over a period of seven years he created at least twenty full-color oils for this advertising #campaign , which was one of his earliest and most successful. These ads were designed to emphasize the #comfort of #living that could be attained through #electric #lighting and reproduced predominantly in Ladies' Homer Journal and The satevepost . . . . #ad #normanrockwell #normanrockwellart #normanrockwellpainting