Quirinus Harder


Quirinus Johan Harder was a Dutch architect best known for having designed a large number of lighthouses. He worked as a structural engineer for the :nl:Nederlands Loodswezen BV|Loodswezen, the Dutch organization overseeing all maritime pilots. Harder's lighthouses were made of cast iron, a new material at the time, which allowed for segmented fabrication and construction.

List of Harder's lighthouses