he did a invention
. To read Benjamin Franklin's "Proposals Relating to the Education of Youth in Pensilvania Philadelphia, 1749" see http://www.archives.upenn.edu/primdocs/1749proposals.html [Note "Pensilvania" is as spelled in Franklin's pamphlet, but it is the Commonwealth of Pennsylvania now.]
Benjamin Franklin invented the lightning rod in 1749. It was designed to protect buildings and ships from lightning strikes by attracting the lightning and safely conducting it to the ground.
In 1749 Benjamin Franklin retired from the printing business and started concentrating on science, experiments, and inventions.In the early 1750's he turned to the study of electricity. His observations, including his kite experiment which verified the nature of electricity and lightning brought Franklin international fame.
Benjamin Randall was born in 1749.
Benjamin Bell was born in 1749.
Benjamin Guild was born in 1749.
Benjamin Pawling was born in 1749.
Lightning arrester or lightning rod is a rod paired with a conductor. The lightning arrester was invented by Benjamin Franklin in the late 1749.
Benjamin Ogle was born on 1749-01-27.
Benjamin Franklin's surname is Franklin.
One inventor of the lightning rod was Benjamin Franklin. Another was a German priest, Diwisch. Both appear to have made their inventions in the same decade, around 1753. See "Who Really Invented The Lightning Rod?", The Electrical Review, volume 32, 10Feb1893, p.146.
Benjamin Franklin and John Adams