In the past most Lighthouses were maintained by "Light Keepers" whose responsibility was to keep the light lit during hours of darkness or storm. Lights were originally lit by [[wood]], [[oil]] or [[coal]] fires. In the early 20th Century most were switched over to electric light and the need for Light Keepers diminished greatly. Today only a handful of Light Keepers exist.<ref>US-Lighthouses.com[http://www.us-lighthouses.com/]</ref> | In the past most Lighthouses were maintained by "Light Keepers" whose responsibility was to keep the light lit during hours of darkness or storm. Lights were originally lit by [[wood]], [[oil]] or [[coal]] fires. In the early 20th Century most were switched over to electric light and the need for Light Keepers diminished greatly. Today only a handful of Light Keepers exist.<ref>US-Lighthouses.com[http://www.us-lighthouses.com/]</ref> |