Question: Who edited and founded  the art magazine published from September 1973 until November 1978, based in a town in Rockingham County, New Hampshire, United States that is the home of the only U.S. Lindt & Sprüngli factory and the headquarters of the Timberland Corporation ?
Sentence (from "Stratham, New Hampshire"): The town had a population of 7,255 at the 2010 census, and an estimated population of 7,280 in 2013.
Relevant evidence: No