Jeremy D'Entremont has written more than a dozen books and 300 articles on lighthouse history and other maritime topics. He is the official historian of the American Lighthouse Foundation and the founder of Friends of Portsmouth Harbor Lighthouses. D'Entremont has lectured and narrated cruises from Maine to California, and his photographs have appeared in many books and magazines. He is also editor of the website "New England Lighthouses: A Virtual Guide" at www.newenglandlighthouses.net. He emphasizes the rich human history of lighthouse keepers and their families in his presentations.