Captain John H. Gilfillan

Captain John H. Gilfillan was a 19th-century American naval officer and engineer known for his contributions to maritime navigation and safety. He played a key role in developing improved lighthouse technologies and navigation aids, helping ships travel more safely along coastlines. Gilfillan’s work enhanced the accuracy of nautical charts and lighthouse illumination, reducing accidents at sea. His efforts significantly advanced maritime safety during his lifetime, and he is remembered for his dedication to improving navigation systems that supported commerce and transportation.