it was discovered before written history
marco polo
One famous person very well known in Canada is Jaques Cartier he was one of the first to dicover North America
the importance of john Cabot was that he was the first to dicover a part of the new lan
Pastor
The correct spelling is "discover."
Peter Tharr Tarr was the first person to build the iron furnace west of the Alleghenies.
The first iron bridge in the world was designed by Thomas Farnolls Pritchard and built by Abraham Darby III.
Elements aren't invented; they have always been around - somebody just had to discover each one of them. Sorry, I don't know who discovered iron, but since it was being used as early as the Iron Age, I don't suppose anybody knows exactly who discovered it.
INDIA
the atomic theory of the universe
800-840
in 1803