A lithosphere creeping over the asthenosphere is a logical consequence of an Earth with internal heat by radioactivity decay, the Airy-Heiskanen isostasy, thrust faults and Niskanen's mantle viscosity determinations.
Later on, the thrust fault concept appeared, and a contracting Earth (Eduard Suess, James D. Dana, Albert Heim) was its driving force.
In 1895, John Perry produced an age of Earth estimate of 2 to 3 billion years old using a model of a convective mantle and thin crust.
[1] Finally, Arthur Holmes published The Age of the Earth, an Introduction to Geological Ideas in 1927, in which he presented a range of 1.6 to 3.0 billion years.
The geophysicists were right to state that the Earth is solid, and the mantle is elastic (for seismic waves) and inhomogeneous, and the ocean floor would not allow the movement of the continents.