J A V Harnisch
Danish Lighthouse equipment maker
Henri Emile Harle
Partner with Louis Sautter manufactured lighthouse lenses and equipment
Robert Hamblin
Obtained a patent for the use of lightships in England
Ole C Hansen
Invented a Fog Horn
George Halpin Jr.
Designed and built lighthouses in Ireland known for building the Fasnet Lighthouse
George Halpin Sr.
Designed and built lighthouses in Ireland
Peter C Hains
Member of Lighthouse Board and Lamp Inventor
Baron Louis B Guyton de Morveau
Invented a concentric-wick burner in 1787
Sir Goldsworthy Gurney
Invented the Bude Lamp in England
Pierre L Guinand
Optical glass maker