David C. Clemens was the director of the Longwood Public Library in Middle Island and has served as a trustee of the Greenlawn-Centerport Historical Association, the Huntington Historical Society, and the Suffolk County Historical Society. He is the historian of the Centerport Yacht Club and the Centerport United Methodist Church. Suzanne Johnson served as the local history librarian, assistant director, and director of the Longwood Public Library. They are coauthors of Camp Upton, an Images of America book published in 2017.
