Dan GagnonDan Gagnon is a park ranger at the Boston National Historical Park. He is a former president of the Methuen Historical Society and served as a board member and the chairman for nine years of the Methuen Historical Society. He has been a been an execuive board member of the Merrimack Valley Preservation Group for five years and was president for one. Gagnon was a contributing author of Arcadia's Methuen, Massachusetts and Historical Sketches of Methuen. He has also been a columnist for Methuen Life, the local magazine, since 2001. Read More Read Less