Edward Hibberd Johnson, inventor and associate of Thomas Edison, is known as the father of electric Christmas tree lights. His discerning gaze in this studio portrait is complemented well by his 'stache. William J. Hammer Collection, Archives Center, National Museum of American History, Smithsonian Institution.

Edward Hibberd Johnson, inventor and associate of Thomas Edison, is known as the father of electric Christmas tree lights. His discerning gaze in this studio portrait is complemented well by his 'stache. William J. Hammer Collection, Archives Center, National Museum of American History, Smithsonian Institution.