When was the last time you actually read a science textbook?  When you learn a big idea you&#x27;re usually also taught when it was figured out, who did it and what it replaced.  If you think back to chemistry when you were taught about the Bohr model of the atom you were probably also taught about the plum pudding model, that &quot;atom&quot; means indivisible and so on all the way back to the Greek system of four elements.<p>A quick visit to wikipedia shows modern geology dates itself back to the 17th century.  You can view the field since then as successive additions and modifications to what was started by Nicholas Sterno in 1669 when he stated the law of superposition, the principle of original horizontality and the principle of lateral continuity.  Those are 3 of the 7 principles of modern stratigraphy that wikipedia lists, but according to you and Kuhn the &quot;modern paradigm&quot; of geology starts in 1965 and everything before that&#x27;s been erased?