Abraham Ortelius was the creator of the first modern Atlas.
1760- James Hutton
James Hutton was the man that created Geology.
Alfred Wegener was a meteorologist before he became a geologist. He made up the theory of Pangaea.
Harry believed the sea floor was spreading all the time. He had giant cracks on the sea floor with magma as evidence.
1970- Dan McKenzie
He believed the mantel was driving continental drift. That theory helped scientist with the Pangaea theory.