Alfred wegener's hypothesis of "continental drift" was rejected by his peers in the early 1900's because he failed to

Alfred Wegener was a German meteorologist and scientist who in the early 20th century, proposed the theory of "continental drift", which states that the continents used to be joint and they have been drifting away from one another.

His theory was rejected by the scientific community, because although it is based on findings of both plants and animal species in matching sides of different continents, it lacks an explanation regarding what forces, make the continents drift.