The first truly detailed and comprehensive theory of continental drift was proposed in 1912 by Alfred Wegener, a German meteorologist.
(The first truly detailed and comprehensive theory of continental drift; was proposed; T:in 1912; by Alfred Wegener) (Alfred Wegener; [is]; a German meteorologist) (Alfred Wegener; [is] a meteorologist [from]; Germany)
The first truly detailed and comprehensive theory of continental drift Alfred Wegener Alfred Wegener
was proposed [is] [is] a meteorologist [from]
T:in 1912 by Alfred Wegener
a German meteorologist
Germany