Although the theory was first proposed by a German meteorologist named Alfred Wegener in the early 1900's;
(the theory; was proposed; by a German meteorologist; T:first) (a German meteorologist; named; Alfred Wegener; L:in the early 1900's)
the theory a German meteorologist
was proposed named
by a German meteorologist T:first
Alfred Wegener L:in the early 1900's