First, looking at a world map as a third grader and speculating how Africa and South America "just happened" to display such a perfect fit.
Many years later, the disdain that greeted the theory of continental drift.
Fast forward a few decades...
There is no mind as closed as the "expert" who fails to have seen the obvious first.
Yup. That 'drift' started 120 million years ago and continues (at the same rate as your fingernails grow) to this day.